Answer:
compound microscope
Explanation:
Typically, a compound microscope is used for viewing samples at high magnification (40 - 1000x), which is achieved by the combined effect of two sets of lenses: the ocular lens (in the eyepiece) and the objective lenses (close to the sample). ... Objective. Focus wheel to move the stage.
The process of accretion can enlarge the size of a continent along its edge. Where does the new land come from?
A.
cooled and hardened lava from volcanoes
B.
fragments of crust colliding with the continental plate
C.
sediments deposited by rivers and ocean currents
D.
subducted ocean floor
Answer: A. cooled and hardened lava from volcanoes
C. sediments deposited by rivers and ocean currents
An accretion is a process in which new materials are added to a tectonic plate or landmass. This process causes the enlargement of the landmass. The materials being added includes sediments, lava from volcanic eruptions and other materials from other sources.
The process of accretion can enlarge the size of a continent along its edge. The new land comes from the cooled and hardened lava from volcanoes and other reason is sediments deposited by rivers and ocean currents.
Answer:
Fragments of crust colliding with the continental plate
Explanation:
Its just right bro
The equation for photosynthesis and cellular respiration are shown above. Which statement below best describes the relationship between photosynthesis and cellular respiration
Answer:
Photosynthesis makes the glucose that is broken down by cellular respiration.
Explanation:
;)
Which of the following statements about speciation is true? Which of the following statements about speciation is true? Speciation cannot occur in the absence of mutation. Speciation cannot occur in the absence of natural selection. Speciation cannot occur in the absence of genetic drift. Speciation will occur more slowly if the population is large and gene flow is high.
The answer is Speciation cannot occur in the absence of mutation. Speciation cannot occur in the absence of natural selection
Which of the following rocks would most likely contain a fossil?
sandstone
granite
marble
basalt
Answer: Option A. "Sandstone"
Explanation:
Fossils are the remains of dead animals and plants formed under rocks from millions of years.
There are basically three types of rocks metamorphic, igneous and sedimentary.
Sandstone are the type of sedimentary rocks, in which most of the fossils are found. they are made up of rock grain formed in low temperatures and pressures which do not harm remaining fossil. fossils of mastodons and dinosaurs are the example found in sandstone.
Whereas granite and basalt (igneous rocks) and marble (metamorphic rocks) are formed under very high heat and pressure that can destroy fossil remains.
Hence, the correct option is A.
The rocks that would most likely contain a fossil is sandstone. The correct option is A.
Sandstone is the one of the listed rocks that is most likely to contain a fossil. Sand grains accumulate and cement together to form sandstone, a sedimentary rock.
Because they are formed by the deposition of sediments, including the remnants of plants and animals, sedimentary rocks are renowned for their capacity to preserve fossils.
Ancient species that became trapped in sedimentary rock strata and were later preserved over time are frequently found as fossils there. The porous structure of sandstone and its capacity to retain water make it an ideal setting for the preservation of fossils.
Contrarily, igneous rocks like granite, marble, and basalt form from lava or molten material and are less likely to contain fossils.
Thus, the correct option is A.
For more details regarding sandstone, visit:
https://brainly.com/question/1563342
#SPJ6
Your question seems incomplete, the probable complete question is:
Which of the following rocks would most likely contain a fossil?
A. sandstone
B. granite
C. marble
D. basalt
Earth's atmosphere blocks much of the light that astronomers need to observe distant stars. To get around this problem, NASA put a powerful telescope A) on Mars. B) on the Moon. C) in orbit around Earth. D) in orbit around the Moon.
The answer is; C
By putting the Hubble telescope in orbit around the earth, they avoid most of the earth’s dense atmosphere. The atmosphere causes a phenomenon referred to as atmospheric differential diffraction of light that is the reason we see stars as twinkling (yet they really don't twinkle). Avoiding atmosphere, therefore, improves image quality, reduces mirages, and reduces errors in observation.
Answer:
in orbit around earth
Explanation:
A patient mangled his left hand in machinery requiring amputation at the wrist. the wound has healed and the patient is fitted with an artificial hand. the device has a molded socket, flexible elbow hinges and triceps pad. a total of 30 minutes was spent training the patient to use the prosthesis. what codes are reported for the prosthesis, training and diagnosis?
The correct answer is 97761 * 2, L6050, Z44.8, Z89.11.
In the CPT index when one looks for Prosthetics/Training, then one is directed towards 97761. The code is repeated for every 15 minutes. As 30 minutes are spent in training, so 2 units are reported. In the HCPCS level II codebook when one looks for Disarticulation/Wrist prosthesis, one is directed towards codes L6050, L6055. On the basis of description, the prosthesis is reported with code L6050.
In the alphabetic index of ICD-10-CM, when one looks for fitting/device NOS/prosthetic (external), then one is directed towards the code Z44.8. In the index when one looks for the absence of organ or part (complete or partial)/wrist and hand (acquired) then one is referred towards the code Z89.11.
Which of these statements describes the state of voting rights from colonial times until 1971?
A) they became more limited
B) they became more complicated
C) they were extended to more people
D) they were extended to only selected groups
C) they were extended to more people
Long before man was a dominate species on Earth, there were shifts in Earth's climate. According to the data recorded in the graph seen here, we would assume that a major climatic shift on Earth, from tropical to frigid, occurred about 34 million years ago. We know there have been several ice ages on Earth. If such climatic shifts are naturally occurring and not the result of some catastrophic event like an asteroid impact, how can we explain them?
Natural global warming, interglacial periods and natural cooling, glacial periods, are considered to be initiated by Milankovitch cycles. These orbital and axial variations influence the long-term natural climatic cycles.
Answer:
Before man became dominant species on Earth, the Earth has experienced many climate changes.
Explanation:
Geological records shows that there were many changes in climate such as ice ages, hot conditions, oxygen devoid condition, acidic ocean, with massive extinction. These changes in climatic conditions were caused by orbital wobbles, fluctuation in solar radiations, and continents movements.
As the solar energy output is not constant at all times, it is one of the reasons for changes in climate. Besides, the earth's orbit around the sun is not circle but ellipse, hence the earth would appear to be warmer when the distance between the sun and earth is closer causing temperature changes. Another factor is rotation of the earth on its axis which is inclined at an angle. The angle changes with time causing certain periods to be with warmer summer and colder winters
Who is most in danger from the effects of overfishing ?
I don't think we can answer this question just like that. The question should be formulated a bit differently:
WHAT is in danger from the effects of overfishing?
Well, in the end of the "effect-spectrum" we are in danger, since we also eat fish. But the most affected species are the ones that form the aquatic ecosystems. Such as fish. Examples:
1 - Many of the fish we eat, feed on sea-weed. If there aren't enough fish to eat the growing population of sea-weed, many fish die of intoxication.
2 - We don't have almost any fish restrictions in a way, because we can eat basically all of them. Therefore, many fish (which are also being eaten) find themselves in a lack of food.
3 - Many times, we concentrate on a specific species, which is a main cause of the extinction of species.
Hope it helped,
BioTeacher101
Those most at risk from overfishing include marine ecosystems, species threatened by extinction, human populations reliant on marine resources for sustenance and economic activities, and species caught as bycatch. The depletion of certain species disrupts the ocean's ecological balance, which can lead to broader environmental and economic repercussions.
Those most in danger from the effects of overfishing are the marine ecosystems and the human populations that rely on them for food and economic stability. Overfishing causes the depletion of fish populations which can result in species extinction and disrupts the ocean food chain. This can lead to ecological imbalance, affecting not just the targeted fish species but also non-target species that become bycatch. The Food and Agriculture Association has estimated that many fish species are either fully exploited or depleted, impacting food security for millions who depend on these resources for animal protein. Overfishing also contributes to economic losses in the fishing industry and threatens the livelihoods of coastal communities.
Specifically, the overharvesting of menhaden can have significant implications. Menhaden serve as forage fish within food webs, supporting larger fish, marine mammals, and seabirds. Overharvesting menhaden can thus harm top predators and disrupt maritime economic activities. Furthermore, bycatch contributes significantly to the mortality of various marine species, including marine turtles and seabirds, leading to further ecological consequences.
Which of the following is a reactant of Aerobic cellular respiration?
a)Glucose
b)Carbon Dioxide
c)Water
d)ATP
What is the main goal of cellular respiration?
a)To make ATP
b)To make food for the cell
c)To make glucose
d)To make CO2
What is the main goal of photosynthesis?
a)To make ATP
b)To make food for the cell
c)To make Oxygen
d)To make Carbon Dioxide
Which of the following statements are correct about the carbon cycle?
a)Matter and energy are recycled within the carbon cycle.
b)Matter is recycled within the carbon cycle, whereas energy flows through.
c)The carbon cycle includes the processes of mitosis and meiosis.
d)Matter and energy flow through the carbon cycle. Both will eventually be used up.
What is the name of the energy molecule for living things?
a)Deoxyribonucleic Acid
b)Adenosine Triphosphate
c)Adenosine Diphosphate
d)Ribonucleic Acid
1. OPTION A, 2. OPTION A, 3. OPTION B, C. OPTION B, C. OPTION B
Glucose is the main reactant of aerobic cellular respiration. Cellular respiration's goal is to produce ATP, while photosynthesis aims to create food for the cell. In the carbon cycle, matter is recycled and energy flows through, and Adenosine Triphosphate (ATP) is the living things' principal energy molecule.
Explanation:1. The primary reactant of Aerobic cellular respiration is a) Glucose. This molecule serves as fuel for the process.
2. The main objective of cellular respiration is a)To make ATP, or Adenosine Triphosphate, which is an energy-carrying molecule.
3. The primary aim of photosynthesis is b) To make food for the cell — in the form of glucose or carbohydrates — utilizing light energy, water, and carbon dioxide.
4. Regarding the carbon cycle, the correct statement is b) Matter is recycled within the carbon cycle, whereas energy flows through. The carbon cycle is crucial for maintaining the carbon balance on Earth, with CO2 being a key component of photosynthesis and cellular respiration.
5. The primary energy molecule for living entities is known as b) Adenosine Triphosphate (ATP). ATP stores and releases energy for various cellular processes.
Learn more about Cellular Processes here:
https://brainly.com/question/28741378
#SPJ12
Warm water near the equator rises towards the surface creating a current, what would you expect to happen to this current if the tempature at the equator decreased?
I expect it to lower its speed. The water that goes up will be cooler(densities), the heat energy lower, and the speed smaller.
Katie helped Sandra with her homework. In return, Sandra helped Katie learn how to rollerblade. Katie didn't expect to get some extra help, but now Katie is inspired to give Sandra help again, since it seems Sandra always returns a favor. What does this situation describe?
the difficulty of discerning truth
the opposite of cynicism
the paradox of altruism
giving to others will create expectations
you see katie helped sandra with homework, which helped sandra not fail. Because katie did not let sandra fail, sandra can graudate and get a job. She can also thank katie for not letting sandra fail and go homeless.
sandra helped katie rollerblade. which has no significant impact. Who cares about rollerblading.
your answer is C
please help i will give you brainliest!!
About 1 billion according to the photo
HELPPPPPPP I JUST NEED THESE TWO QUESTIONS AND IM STUPID!!!
1. at which point will a cloud form?
A) when the temperature of the rising air rises above the dew point
B) when the temperature of the rising air falls below the dew point
C) when the water vapor forms ice crystals
D) when air reaches 10,000 ft
2. what causes convection currents?
A) density differences
B) earth's gravity
C) fossils
D) they don't exist
Answer: Number one is actually, when the temperature of the rising air falls below the dew point
Explanation:
A person could float most easily in water that has which characteristic?
Answer:
It is called buoyancy.
Explanation:
When an object is immersed partly or wholly in a liquid, it experiences an upward force called buoyant force.
The buoyant force depends on the volume of body immersed, density of liquid and the acceleration due to gravity.
The force of buoyant force is given by
F = Volume of body immersed x density of liquid x g
Answer:
the correct answer is mass I hope I helped
Explanation:
How are their lifestyle (Mayan) and the roles of men and women similar and different from life in our culture?
The Maya has been inhabited in much of Central America, now known as Guatemala, Belize, Honduras, El Salvador and five southern states of Mexico such as Campeche, Chiapas, Quintana Roo, Tabasco and Yucatan. Founded in the pre-classical period (about 2000 BC to 250 AD), according to the chronology of Central America, many Mayan cities reached their highest level of development during the classical period (approximately 250 m to 900 m) and continued beyond Classic until the arrival of Spaniards. They had a civilization that dates back about 3000 years. During that long time, hundreds of dialects were spoken in these lands, from which about 44 different Maya languages were born. It was known as the only civilization in the development of the written language in the pre-Columbian Americas, as well as art, architecture, and mathematics and astronomy systems.
The talk of the ancient Maya refers to the history of one of the most important cultures of Central America in pre-Columbian times, because it has a world-renowned scientific and astronomical heritage. Their civilization has contributed many advantages to other civilizations in Central America because of the great interaction and dissemination of the culture that characterized the region. Progress, such as writing, engraving, and calendaring with the Mayans, has not only arisen but has been fully developed. The influence of that civilization can be detected in Honduras, Belize, Guatemala and Western El Salvador as far away as central Mexico, more than 1,000 km (620 miles) from the Mayan region. Architectural and artistic traces of the Maya were found outside the area and are believed to be due to trade and cultural exchange.
The Mayan people did not disappear completely at the time of the decline of the classical period or with the arrival of the Spanish invasion and colonization of the Americas, where the Mayans are now the majority of the inhabitants of all Mayan areas and have maintained the distinctive traditions and beliefs that are the result of the fusion of ideas and cultures for pre-Columbian and post- Invasion. At present millions of people speak different Maya languages.
The Mayan literature illustrates the life of this culture. Examples include the play "Raphael Atchi" written in the language of Atchi, which was announced by UNESCO in 2005 as a masterpiece of the intangible oral heritage of mankind, and of the literary works of Popul Fuh for historical legends. . What was destroyed by the Spanish invasion is a model of the pre-Columbian civilization that is estimated at 3,000 years of ancient history.
Answer:
this answer above doesn't even answer the question it is just a bunch of cr*p about the mayans.
Explanation:
Which of the following statements is FALSE? A) Errors in chromosome separation are rarely a problem for an organism. B) Errors in chromosome separation can result in a miscarriage. C) Errors in chromosome separation can result in cancer. D) Errors in chromosome separation can result in a child with severe handicaps. E) Errors in chromosome separation can cause numerous problems for an organism.
The false statement is: (A) Errors in chromosome separation are rarely a problem for an organism.
Errors in chromosome separation, (chromosomal abnormalities/ aneuploidies) can cause significant problems for an organism. These errors occur during cell division, either in meiosis or in mitosis. When chromosome separation is not accurate, it can lead to the formation of cells with an abnormal number of chromosomes.
If there are significant chromosomal abnormalities in the developing embryo, it can lead to miscarriages. Certain types of cancer are associated with specific chromosomal changes, such as translocations or deletions. Chromosomal abnormalities, like Down syndrome (Trisomy 21), can result in severe intellectual and physical disabilities.
To know more about chromosomal abnormalities, here
brainly.com/question/1204326
#SPJ2
The third week after conception, marks the beginning of the _________ period. This is when the baby's brain, spinal cord, heart and other organs begin to form. A) embryonic B) fetal C) implantation D) neonate
Correct answer: A). Embryonic
The embryonic stage in human starts at the time of fertilization and it continues till the end of 10th week of the gestation period. The germinal stage lasts for two weeks after fertilization.
Embryonic stage is the stage during, which all the major organs and structures are formed. The time from the ninth week until the birth of the baby is known as a fetal period.
It's A right??? I'm like 10000000% positive it is..
A person trapped outside during a thunderstorm should
A) lie in a ditch or other low-lying area.
B) get out of a car and take shelter under a tree.
C) stay away from trees, water, and tall objects.
D) run away from the thunderstorm as quickly as possible
if it's a thunderstorm, that means there's lightning, not necessarily a tornado. You're thinking of a tornado. Lightning may strike trees, water, and tall objects, so it's best to stay away from them. The answer is C
The correct answer is option C, stay away from trees, water, and tall objects.
Reason -
Whenever there is a thunderstorm , one must try to stay in place that are devoid of material conducting electricity. In case if some one hide under a tree during a thunderstorm, there are high chances that if lightning hits the tree, the ground charges will spread in all directions thereby leading to more serious causalities.
Why do people who believe in altruism say the opposite view is cynical?
It's nicer to accept gestures at face value.
A person comes across as skeptical and suspicious.
It appears that you are judging whether or not a person's actions are sincere.
choices B and C.
Choices B and C.
Hope this helps :)
Answer: Option B and C
Explanation:
Altruism a concern which includes the happiness of other human beings or animals which results in a quality of life which includes both material and spiritual.
but according to cynical they believe that a person has interest due to selfishness not due to human behavior or integrity.
The people who believe in altruism thinks that cynical behavior is skeptical and suspicious. It also appears that a person is being judged by his action that he is sincere or not.
How water and oxygen are transported through the cellular membrane? A) diffusion and osmosis B) facilitated transport and pinocytosis C) pinocytosis and avtive transport D) pinocytosis and diffusion
the answer is ( pinocytosis and diffusion )
Two different species belong in the same class what other levels of classification do they have in common
Answer: Domain, Kingdom and Phylum
The order of classification is: Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
If two different species belong to same class they will share what is before the class in classification that is Domain, kingdom and Phylum. Since the species are different they will definately share "species" in the classification. Whatever they both will share in order, family, genus depend on their similar characteristic.
Kingdom and Phylum
(answer is short)
What is the correct term for organisms that convert gaseous nitrogen into other nitrogen compounds that other organisms can use to produce organic material? Organisms such as some cyanobacteria convert gaseous nitrogen into other nitrogen compounds that other organisms can use to produce organic material. They are referred to as .
Answer: Nitrogen fixing agent
Nitrogen fixation is a biological process that converts atmospheric nitrogen into another forms of nitrogen used by plants and other organisms. Nitrogen fixation is carried out by organism referred as nitrogen fixing agents. The group of nitrogen fixing agent mainly includes many species of bacteria such as cynobacteria. These bacteria lives in symbiotic association with plants. These bacteria have the nitrogenase enzyme that makes a combination of atmospheric nitrogen with hydrogen to produce ammonia, which is further converted into other organic compounds. These organic compounds are necessary for amino acid synthesis in plants , which further helps in synthesis of proteins. These proteins are necessary for growth of plants. In return these bacteria receive nutrition from the plants through roots.
Final answer:
Nitrogen-fixing organisms convert atmospheric nitrogen into usable nitrogen compounds. Cyanobacteria and certain bacteria and archaea are examples, with cyanobacteria using specialized heterocyst cells for the process.
Explanation:
The correct term for organisms that convert gaseous nitrogen into other nitrogen compounds usable by organisms to produce organic material is nitrogen-fixing organisms. These organisms include certain bacteria and archaea, which can fix nitrogen from the atmosphere independently. However, many nitrogen-fixing microorganisms live in a symbiotic relationship with plants, such as Rhizobium species that dwell in root nodules of legumes and free-living bacteria like cyanobacteria. Cyanobacteria are noteworthy as they form specialized cells called heterocysts to fix nitrogen anaerobically, due to the oxygen they produce in photosynthesis, which could otherwise inhibit the nitrogenase enzyme required for nitrogen fixation.
help !!!
i will give you brainliest!!
please help!
please help me !!!!!!! 27 POINTS!!!
Which is an example of limited resource :
a. air temperature
b. available space
c. altitude
The answer is A) air temperature.
what is mitosis i want to know for a test
mitosis is dealing with your body
Mitosis is basically cells dividing themselves to multiply. Say you have a cut on your skin. You put a bandage on it, and a couple days later, the cut is gone. You would just think, "Huh! Band-aids are magical!" but, no. Mitosis did that. Ever look in the mirror and wonder how you went from an infant to where you are today. Mitosis did that. Mitosis is the process of cells using asexual reproduction to multiply into exact replicas of themselves. They use genetic information from the nucleus to make replicas of themselves. Their replicas then go on to that cut as a skin cell. Fun fact: overused mitosis is the cause of cancer.
Definition: a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
I hope this helped! Good luck on your test!
what ocurrs in an updraft
Updrafts occur as part of the turbulence that is created when air passes over topographic barriers such as mountains.
Answer:
turbulence that is created when air passes over topographic barriers such as mountains.
Explanation:
What is this called??!
for future reference: if you get a question with a picture of something asking what it is, right click on the image, and click "search google for image" it will give you the answer. :)
What is relationship between light intensity and gas production?
Why does poaching occur? Give three examples of species that are threatened by this illegal activity.
My answer will be because poaching is a business. And this business moves millions of dollars in the world every year. In addition, it provides food and resources to thousands of people around the world, but it also seriously threatens the lives of millions of species and the balance of their ecosystems, among other problems.
Among the species threatened by this illegal negcocio are:
1. Mountain gorillas
2. White shark
3. The white rhinoceros, enter others.
Poaching occurs due to high demand for animal products, lack of regulation, and the profitability of illegal wildlife trade. Rhinoceroses, elephants, and tigers are among the species threatened by this illegal activity.
Explanation:Poaching occurs for various reasons, such as the high value of certain animal products on the black market, the lack of effective regulation and enforcement in conservation areas, and because of the demand for bush meat and traditional medicine. This illegal activity directs poses a significant risk to the survival of many species, with dire ecological consequences. Species threatened by poaching include:
Rhinoceroses - poached for their horns that are valued in traditional medicine and as status symbols.Elephants - hunted for their ivory tusks which are highly valued in the arts and as ornaments.Tigers - targeted for their skins and body parts, which are used in traditional Asian medicine.Additionally, poaching is exacerbated by factors such as the tragedy of the commons, where resources are depleted due to shared usage without individual accountability, and the high profitability of illegal trades compared to the conservation of species. Efforts from governments and conservation organizations are crucial to enforce poaching laws and protect endangered species.