Answer: An earthquake is the shaking of the surface of the earth caused by volcanic activity or movement around geological faults.
Earthquakes can be of a high magnitude or low magnitude. (magnitude is the size of the earthquake or the frequency of the vibrations caused by the earthquake.)
Earthquakes shakes with stronger vibrations in soft sand or mud that's why structures built on soft sand or mud are often destroyed in an earthquake.
Earthquakes shakes with small vibrations on bedrock because of the rigidity of the bedrock.
The skeletal system is made up of cartilage, tendons, and ligaments. Which body part is also part of the skeletal system? Joints bones sweat glands skin
Final answer:
Bones are part of the skeletal system which also includes cartilage and ligaments. The ribs protect the heart and lungs, and the skull protects the brain.
Explanation:
The skeletal system is made up of bones, cartilage, and ligaments. Among the options provided, bones are also a part of the skeletal system, which includes all the bones of the body.
Joints are where two or more bones meet and allow for movement, and while they are associated with the skeletal system, they are not a unique structure like bones, but rather the connection points between bones. Sweat glands and skin are part of the integumentary system, not the skeletal system.
Bones have several important functions, such as providing support for the body, protecting internal organs, and aiding in movement. For instance, the ribs protect the heart and lungs, while the skull protects the brain.
A rapid change in ocean density with change in depth is the:
1. halocline.
2. thermocline.
3. barocline.
4. isocline.
5. pycnocline.
Answer:
5. pycnocline.
Explanation:
Pycnocline is the rapid change in density of ocean water with depth. With increase in depth, ocean water tends to be denser. The two major factors that determine density in ocean water are temperature and salinity(salt contents). The denser water become in the ocean the more likely it sinks easily . This is one major factor that drive Ocean currents, the process is called thermohaline circulation.
The increase in salinity of ocean water causes an increase in density . This is because the salt become tightly pack and filled the water to make it denser . This simply means an increase in saline content of ocean water causes an increase in the density.
Another factor that affects density is temperature. Water at the surface possesses higher temperature due to direct contact with the sun. Usually, the higher the temperature the less dense ocean water becomes . This is why surface water is less dense. As water becomes warm the molecule disperse, this account for it lower density . Colder water are usually higher in density .
Generally, an increase in ocean depth causes considerable increase in density because of it colder temperature and increased salinity contents.
40. Volcanoes are examples of igneous activity _____________.
a. underground
b. above ground
Answer: B
Explanation:
Volcanoes typically occur underground when they do. "Although most of the active volcanoes we see on land occur where plates collide, the greatest number of the Earth's volcanoes are hidden from view, occurring on the ocean floor along spreading ridges." (https://oceanservice.noaa.gov/facts/volcanoes.html)
Answer:
Hello, the correct answer for this question is B. Above ground
Explanation:
Volcanoes are the way out for incandescent material that is formed in the center of the Earth.
Condensation nuclei, tiny particles of matter in the air, are important because ________. a. they increase the density of air and thus its buoyancy b. they will affect the environmental lapse rate c. they provide point sources of heat in the air d. they provide a surface for water molecules to form on
Answer:
d
Explanation:
Condensation nuclei are important because they form the basic building blocks of clouds. The condensation nuclei are tiny particles on which water vapor molecules form to create the most basic elements of clouds.
Later, other water molecules continue grouping around the original condensation nuclei and get larger to form raindrops.
Condensation nuclei are essential for water vapor to condense into droplets, enabling cloud formation and precipitation; they also play a role in climate regulation through their ability to reflect sunlight or absorb heat.
Explanation:Condensation nuclei are crucial for the process of condensation in the atmosphere. These tiny particles provide a surface upon which water vapor can condense and form droplets. The presence of these nuclei, which can include materials such as dust, smoke, and sea salt, is essential because water vapor in the air moves too quickly for the molecules to easily bind together on their own. Without these nuclei, the formation of clouds and subsequent precipitation would be much more difficult. In addition to their role in condensation, these particles can affect the climate by reflecting sunlight, which leads to atmospheric cooling, or absorbing heat, resulting in warming.
Identify the true statement.
Choose one:
A. Aerosols scatter only light waves with short wavelengths.
B. The sky looks blue because atmospheric gas molecules are scattering blue light.
C. Clouds are white because they absorb the entire spectrum of visible-light colors.
D. Blue light has a longer wavelength than red light.
Answer:
B. The sky looks blue because atmospheric gas molecules are scattering blue light.
Explanation:
As the blue light is scattered in all directions due to the presence of the tiny molecules of air in earth atmosphere and due to its shorter waves length this light gets scattered more to far distances and thus we see most of the time blue light in the sky.The correct statement is B. The sky looks blue because atmospheric gas molecules are scattering blue light.
To understand why option B is the correct answer, let's consider the principles of light scattering:
- Aerosols, which are tiny particles or droplets in the atmosphere, can scatter light of all visible wavelengths. However, they tend to scatter shorter wavelengths more efficiently. This is due to Rayleigh scattering, which states that the intensity of scattered light is inversely proportional to the fourth power of the wavelength. Therefore, statement A is incorrect because aerosols can scatter light waves with a range of wavelengths, not just short ones.
- The sky appears blue due to Rayleigh scattering. Sunlight is composed of a spectrum of colors, each with a different wavelength. As sunlight passes through Earth's atmosphere, the shorter wavelengths of light (blue and violet) are scattered in all directions by the gases and particles in the air. Because blue light is scattered more than other colors, it is what we see when we look at the sky. Although violet light is scattered even more than blue, our eyes are more sensitive to blue light, and the upper atmosphere absorbs violet light, which is why the sky appears blue rather than violet.
- Clouds are white because they contain water droplets and ice crystals that are much larger than the molecules in the air. These larger particles scatter all wavelengths of light almost equally, which results in a mixture of all colors that appears white to our eyes. Therefore, statement C is incorrect because clouds do not absorb the entire spectrum of visible-light colors; they scatter it.
- Blue light has a shorter wavelength than red light. The visible spectrum of light ranges from red, which has the longest wavelength, to violet, which has the shortest wavelength. Blue light falls in between, but it has a shorter wavelength than red light. Therefore, statement D is incorrect.
In summary, the correct statement is B, which accurately describes why the sky appears blue. The scattering of blue light by atmospheric gas molecules is responsible for the blue color of the sky.
An industry uses natural gas for manufacturing and uses the waste heat to produce electricity. This is an example of which of the following processes?A. Cogeneration B. Electrolysis C. Gas hydration D. Reclamation
Answer:
A. Cogeneration
Explanation:
The cogeneration stands for the combined heat and power, and is used in power stations to generate electricity and is the most effective use of the waste heat and left energy to make some productive output form the left for heat can be also be applied for heating and cooling effect,s typically in an absorption refrigerator.Conversion of natural ecosystems to agriculture ecosystems can lead to less carbon stored in soil and large plants such as trees. True or false?
Answer:
True
Explanation:
An agricultural ecosystem is different from that of the natural ecosystem and is thus an human-induced system and is thus there are changes in the stored carbon that are found in the system and the soil erosion and he terrestrial sedimentation and other process that works on the conversion of this ecosystem and thereby reduce the carbon amounts that are stored in the soil and the associated impacts of this system are the increase in the pollutant contents of the soil.Awareness of the ________ linking overseas production with US consumption has led some to be concerned with the working conditions in the Asian factories in which their clothing is made.
Answer:
The correct response is Option A: Commodity chains.
Explanation:
A commodity chain is a concept that represents the processes involved when an item you purchase is manufactured or produced. For something like a garment, it involves sourcing the raw material like cotton or silk. Processing the raw material and then sending the cloth to the clothing factory, not forgetting all the shipments and transportation used to get the products to different points of manufacture. A commodity chain tries to incorporate all points involved in transforming an item into a good or commodity for sale. It can also entail the consumption and disposal of the commodities in question. There are some scholars who feel the notion of commodity chain may be too specific and that value chain is more encompassing and inclusive to use as not all items of value are commodities in the strict sense.
Why is the French and Indian War considered a cause of the American Revolution? A. It resulted in increased feelings of loyalty from the colonists towards the king.B. It resulted in a tax being placed on colonists to help pay for the war.C. It expanded the boundary of the colonies, resulting new friendly relationships with natives.D. It resulted in the colonists writing the Declaration of Independence.
Answer:
It resulted in a tax being placed on colonists to help pay for the war.
Option: (B)
Explanation:
The 'French and Indian War' that eventually culminated in the British victory helped the British secure immense territorial gains. But despite having won the war, the British suffered the costs of war for a long time even after the war was over. To incur the cost of war, the British Council imposed new and unreasonable taxes on the 'colonists' which gradually led to increasing resentment among the colonists and finally culminated in the 'American Revolution'.A population density map of the world shows that the distribution of people is most obviously affected by
A) environmental factors such as natural resources, climate, water availability, topography.B) preferences for places with tropical landscapes.C) cultural factors such as language, cuisine and religion.D) political factors, types of government, and laws.E) economic factors such as development and trade history.
Answer:
Option (A)
Explanation:
A population density map is used to define as a map that shows the presence of a number of the population existing in any particular area. It directly reflects the dispersion of people that are mainly affected by environmental factors. This includes the variable amount of natural resources present in that area, the type of climate prevailing, the topography of the area and the availability of water resources.
The places which are rich in resources and low lying areas, with plenty of water resources and moderate type of climate are comprised of high-density population. On the other hand, the places which are highly elevated, lack of resources and extreme cold and hot climate are comprised of a lesser population.
Thus, the correct answer is option (A).
Water waves are caused by wind, which is directly caused by the
the sun.
O
A. energy
O
B. matter
O
C. wind
O
D. conservation
SUBMIT
Answer:
A. Energy
Explanation:
Sun's energy is the core causative agent behind winds which in turn generate water waves. Hence, the correct answer is A. Energy.
Explanation:In the context of the question, the correct answer is A. Energy. The sun's energy is one of the primary driving forces behind the weather, which includes wind. This energy heats the earth's surface, causing air to warm up and rise, leading to differences in air pressure that create winds. These winds, in turn, generate water waves when they come into contact with the surface of a body of water like a lake or an ocean. Hence, without the sun's energy, there would be no wind, and without wind, there would be no water waves.
Learn more about Sun's Energy and Water Waves here:https://brainly.com/question/32816845
#SPJ2
All of the following are lithogenous sediments except:
A. glacial deposits.
B. illite clays.
C. beach sand.
D. volcanogenic particles.
E. Vdiatom ooze.
Answer:
Option-(E): It is the best option to choose from.
Lithogenous sediments: "Those particles or sediments which are formed by the weathering process of rocks, and mostly from the events occurring in the oceanic volcano."
Vdiatom ooze: It is not a lithogenous sediment, as it is a bio-genic pelagic sediment found deep down in the ocean bed.
Explanation:
As Examples of lithogenous sediment includes;
volcanogenic sediments, glacial deposits,illite clays,And beach sands.The lithogenous sediment types listed include glacial deposits, illite clays, beach sand, and volcanogenic particles. Diatom ooze is the exception as it is a biogenous sediment formed from organic material. Thus, the correct answer is E. diatom ooze.
All of the following are lithogenous sediments except E. diatom ooze. Lithogenous sediments, also known as terrigenous sediments, are primarily composed of small fragments of pre-existing rocks that have made their way into the ocean. These can include a range of particle sizes, such as the microscopic clays in illite clays, large boulders in glacial deposits, or the sands found in beach sand. Lithogenous sediments are typically characterized by materials such as quartz, feldspar, and iron oxides, and are derived from the weathering of terrestrial rocks.
Diatom ooze, however, is not lithogenous but rather biogenous sediment. It is composed predominantly of the silica-based shells of microscopic marine algae known as diatoms. As such, it is formed from the accumulation of organic material, rather than from the physical and chemical weathering of rocks and minerals. Therefore, the correct answer to the question would be diatom ooze, as it does not meet the criteria of being a lithogenous sediment.
Select all that apply. Rain drops are formed by water vapor condensing on _____. grass oxygen atoms dust meteoroids
Answer:
dust
Explanation:
A raindrop s a condensed form of a water vapor that is about a micrometer of the size of a dust particles and floats freely in the air and is thus a rain that occurs when these millimeter-sized particles drop form the clouds in the forms of rain. As they get around the nuclei of the dust particles and grow in sizes.What does this sign mean?
a.Be careful to avoid getting stuck in wet weather
b.Be careful to avoid skidding in any weather
c.Be careful to avoid skidding in wet weather
Answer:
c. Be careful to avoid skidding in wet weather
Explanation:
This sign and symbols are given by the department of the transportation by the government of the united states and it represents a yellow background that is marked by the car that appears to be skidding on the water or wet surface and thus shows that care should be taken to protect the vehicles form getting skidded.The given sign most likely means "Be careful to avoid skidding in wet weather." Therefore, the correct option is C.
The given sign, which cautions vehicles against slipping in adverse conditions, was expressly made to alert drivers to the dangers that may arise from poor road conditions during rain or other adverse weather conditions .
It serves as a reminder to drivers to modify their driving habits and take necessary safety measures, such as reducing speed, maintaining a safe distance from other cars, and beingware of unexpected braking or acceleration that may cause skidding. Can be made. To reduce accidents and maintain a smooth and safe driving experience in such conditions, the sign encourages drivers to be alert and proactive while navigating wet road surfaces.
Therefore, the correct option is C.
Learn more about sign, here:
https://brainly.com/question/30263016
#SPJ6
the concept of activity space is useful for better understanding that each human
Answer:
The concept of activity space is useful for better understanding that each human has a territory with which he/she is most familiar.
Explanation:
Every human has a territory within which he/she moves and travels during his/her daily activities.
Groundwater in constricted fractures is heated past its surface boiling temperature by surrounding hot rocks. The superhot liquid expands in volume, reducing its confining pressure, and flashing it into steam.
Which geologic feature matches this description?
A. a geyser
B. a hot spring
C. a mud pot
D. an artesian spring
Answer:
A geyser.
Explanation:
Groundwater sometimes may encounter a magma chamber or a great heat source. As the water gets hot, it reaches its boiling point, however, water cannot evaporate because cold water in the surface, creates a pressure that constricts water, and prevent it from boiling.
Water continues to increase its temperature until it gets superheated and blasts in a quick expansion of volume where the water-vapor its expelled from the vent with great violence.
The maps above show New Zealand's place in the world from two different perspectives. Which statement explains why people in New Zealand might prefer Map A over Map B?
Answer:
People prefer to observe their country from a central point of view.
Explanation:
All maps are designed to portray certain information and often have some kind of bias based on the creator of the map. In the case of many countries in the Southern Hemisphere, maps are often preferred to be oriented in a different way than in the Northern Hemisphere.
This difference is a result of the placement of these countries on the globe. Were the map to be centered on the Prime Meridian and the North Hemisphere countries, most of the states south of the Equator would barely be visible.
In which area would surface water most effectively infiltrate into the local groundwater system?
a. A stream in a steep-sided bedrock canyon in the mountains
b. Streams flowing in the numerous channels of an alluvial fan
c. A playa lake with a thick mud bottom
d. All of the above would promote infiltration
Answer:
Option B is correct.
Explanation:
Infiltration depends greatly on the features of the soil. If the soil has excessive clay or mud, water will not find a way into the groundwater system and will remain as surface water.
An alluvial fan is a perfect location for this since there will be little or no resistance to the flowing water. The streams are already a connection with the groundwater system, and falling water will flow directly to it.
Choose the FALSE statement.
Choose one:
A. When the rate of ablation equals the rate of accumulation, the glacier retreats.
B. During glacial advance, the toe moves downslope for mountain glaciers and outward for continental glaciers.
C. During glacial advance, the rate of ice accumulation exceeds the rate of ablation.
D. The boundary between the zone of accumulation and the zone of ablation is called the equilibrium line.
The false statement is 'A'. A glacier remains stable, neither advancing nor retreating, when the rate of ablation equals the rate of accumulation. Glacier retreats occur when ablation surpasses accumulation.
Explanation:The false statement in these options is A. When the rate of ablation equals the rate of accumulation, the glacier retreats. In reality, when the rate of ablation (the process by which ice and snow waste away) equals the rate of accumulation (the process of amassing ice and snow), the glacier remains stable. It's neither advancing nor retreating. This state is referred to as equilibrium.Glacier retreat occurs when the rate of ablation exceeds the rate of accumulation.
Learn more about Glaciers here:https://brainly.com/question/32172865
#SPJ6
The false statement is A. When the rate of ablation equals the rate of accumulation, the glacier retreats. In reality, this represents a state of equilibrium for the glacier, not retreat. The other statements are correct.
Explanation:The FALSE statement in the given choices is A. When the rate of ablation equals the rate of accumulation, the glacier retreats. This statement is not true because when the rate of ablation (melting and loss of ice) equals the rate of accumulation (gain of ice through snowfall), the glacier is actually said to be in equilibrium, not retreat. Glacier retreat happens when the rate of ablation exceeds the rate of accumulation.
The rest of the statements: B. During glacial advance, the toe moves downslope for mountain glaciers and outward for continental glaciers, C. During glacial advance, the rate of ice accumulation exceeds the rate of ablation, and D. The boundary between the zone of accumulation and the zone of ablation is called the equilibrium line, are correctly expressed concepts in glaciology.
Learn more about Glaciology here:https://brainly.com/question/38581627
#SPJ6
31. Ship Rock in New Mexico is an example of a ___________.
a. laccolith
b. volcanic neck
Answer:
Hello, Ship Rock is an example of a Volcanic Neck
Explanation:
A volcanic neck is formed by erosion and Ship Rock is a result of this process through many years.
Answer:
b. volcanic neck
Explanation:
A volcanic neck, also known as volcanic plug, is created when magma hardens inside a volcanic vent. The Ship Rock, is a volcanic neck formed of fractured volcanic rock an thin veins of lava.
I hope you find this infromation useful and interesting! Good luck!
Are there any exceptions to the rule that planets rotate with small axis tilts and in the same direction as they orbit the Sun?
(a) No
(b) Venus is the only exception.
(c) Venus and Uranus are exceptions.
Answer:
(B) Venus is the only exception.
Explanation:
In the mass burn technique, Select one:
a. water is heated and the steam drives a turbine to generate electricity.
b. huge quantities of waste are burned at low temperatures for a long period of time.
c. ash and particulates are vaporized into the atmosphere.
d. All of these are correct.
Answer:
d. All of these are correct.
Explanation:
Mass burn incinerators are big confinements where people use it to burn big amounts of trash. Once the trash is cleaned and separated (for recyclables), is transported to this machine which will burn it with high temperatures. Ash and particulates are vaporized into the atmosphere; and if anything remains then it is move to create different types of metals. While the machine is working, water is circulating through the walls of the machine and turbines to produce the energy necessary. If the quantity of the trash is bigger than expected, then they leave the trash in lower temperatures for a long period of time so it can burn down properly without overusing the machine.
what are the geographical characteristics of the region where the yupik tribe lived
Answer:
They live in arctic region like that of the Diomede Islands of the Bering Seas and thus polar areas.
Explanation:
The Yukik are a tribal people that belong to the race of the Eskimos and are the inhabitants of the polar regions of the earth and mostly occurs in the arctic circle of southwestern Alaska and the Canadian province and even in Russia and are found along the Bering sea and the Yukon delta and they depend on fish as the primary food sources and earth meat of the deer and the whales.About 2.2 billion years ago, a significant amount of oxygen appeared in the atmosphere. How does this relate to life on Earth during this time and after?
Answer:
Cyno-bacteria used sun, water and carbon dioxide to produce oxygen
Explanation:
A significant amount of oxygen contributed to the formation of the ozone and protected life form the UV rays. Photosynthesis was successfully and plants were able to convert the light energy from the sun and used for the primary producers an oxygen was a significant by-product.PLLLLZ HELP What is true about the focus?
It is the point where the most surface damage will occur.
It is the point where the surface waves originate and spread out.
It is the point where the waves are attracted.
It is the point of failure where the waves originate.
Answer:
It is the point where the surface waves originate and spread out.
What is the only u.S. National park south of the equator?
Answer:
National Park of American Samoa
Explanation:
his park covers three islands, Tutuila, Ofu, and Ta'ū, which are home to protected coral reefs, rainforests, volcanic mountains, and white beaches. American Samoa is the only U.S. national park located part south of the equator.
A. Bering Glacier B. Hubbard Glacier C. Kilimanjaro Glacier D. Blue Glacier E. Lambert Glacier F. Columbia Glacier G. Kutiah Glacier H. Gangotri Glacier 1. ___ Which one of these glaciers is part of a continental ice sheet? 2. ___ Located near the equator but at a high enough altitude to form a glacier 3. A. Longest glacier in North America at over 100 miles long 4. ___ Which glacier holds the record for the fastest surging at 112 meters per day? 5. ___ This glacier is unusual because it is advancing instead of retreating. 6. ___ This glacier in India is the source of the Ganges River providing freshwater and electricity. 7. ___ One of the most studied glaciers in the world due to its lower elevation and abundant snowfall 8. ___ A tidewater glacier that is rapidly retreating
Answer:
1. Blue Glacier 2. Kilimanjaro Glacier 3. Bering Glacier 4. Kutiah Glacier 5. Hubbard Glacier 6. Gangotri Glacier 7. Lambert Glacier 8. Columbia Glacier
Explanation:
Bering Glacier is the Longest glacier in North America at over 100 miles long. Kutiah glacier holds the record for the fastest surging at 112 meters per day. Gangotri Glacier in India is the source of the Ganges River providing freshwater and electricity. The most studied glaciers in the worldis in Antartica and is Lambert Glacier. Columbia Glacier is a "tidewater" glacier that is decreasing rapidly. Hubbard glacier is unusual because it is advancing. Kilimanjaro Glacier is located near the equator. Blue Glacier is part of a "continental ice sheet".
The glacier that is part of a continental ice sheet is Blue Glacier.
Kilimanjaro Glacier is located near the equator but at a high enough altitude to form a glacier. The longest glacier in North America at over 100 miles long is Bering Glacier. The glacier that holds the record for the fastest surging at 112 meters per day is Kutiah Glacier. Hubbard Glacier is unusual because it is advancing instead of retreating. Gangotri glacier in India is the source of the Ganges River providing freshwater and electricity.One of the most studied glaciers in the world due to its lower elevation and abundant snowfall is Lambert Glacier. A tidewater glacier that is rapidly retreating is Columbia Glacier.Learn more about glacier on:
https://brainly.com/question/6666513
"Saturn's cloud surface appears more uniform than Jupiter's because: A.the cloud layers are thicker, allowing fewer holes to see the colorful layers. B.due to Saturn's greater distance from the Sun, the colorful cloud layers are just not visible. there is a thick outer cloud covering of water ice overlying the colorful ices. C. due to Saturn's lower gravity, the colorful cloud layers escaped. D. it is composed of completely different gases than Jupiter's."
Answer:
A.the cloud layers are thicker, allowing fewer holes to see the colorful layers
Explanation:
As the outer atmosphere of the Saturn contains about 96% of hydrogen and 3.2% of the helium. With the amounts of ammonia, the acetylene, ethane, propane, and methane are found in the atmosphere. The cloudy layer of the Saturn exhibits banded patterns layer similar to that the Jupiter. The composition of the clouds varies with depths and the increasing pressure and temperature that ranges from 100–160 K.How much does the air weigh within a column that is 1 square inch in area that extends from sea level all the way to the top of the atmosphere? Select one:
a. 0 lbs
b. 2.4 lbs
c. 14.7 lbs
d. 29.9 lbs
e. 1013.25 lbs
Answer:
option (c) 14.7 lbs
Explanation:
Data provided in the question:
Area of the column = 1 square inch
Now,
we know Air pressure at the ground surface level from the atmosphere
= 14.7 Psi
also, it can be represented as
14.7 Psi = 14.7 pounds per square inch
Therefore,
Weight of the air weigh within a column that is 1 square inch in area
= Air pressure × Area
= 14.7 pounds per square inch × 1 square inch
= 14.7 pounds i.e 14.7 lbs
Hence,
The answer is option (c) 14.7 lbs
Yosemite National Park provides spectacular glaciated exposures of the Sierra Nevada batholith. The batholith is composed of many separate plutons, which intruded into the area as part of a Mesozoic-age sub-duction system. The problem 1 placemark flies you to the spectacular Half Dome in Yosemite National Park. Given that it is part of an intrusive batholith, what type of rock texture would you expect to see at Half Dome? a. fine-grainedb. coarse-grainedc. glassyd. fragmental
Answer:
(b) coarse-grained
Half Dome in Yosemite National Park, which is part of a Sierra Nevada batholith, is expected to have a coarse-grained rock texture due to the slow cooling of intrusive igneous rocks.
Explanation:Yosemite National Park's Half Dome is part of a Sierra Nevada batholith, indicating that it was formed from a large mass of intrusive igneous rock. Intrusive rocks, like those found in batholiths, cool slowly deep beneath the Earth's surface, which allows the crystals to grow larger. Crystals in intrusive igneous rocks are usually large enough to be seen with the unaided eye, giving these rocks a coarse-grained texture. Therefore, at Half Dome, you would expect to see a coarse-grained rock texture.