Answer:
The Keeling Curve shows that atmospheric carbon dioxide levels are increasing, and at a faster rate each year
Explanation:
Which conditions resulted in the erosion of larger
rocks, like the one circled in the image? Check all that
apply
low gradient, low velocity
low gradient, high velocity
low gradient, high volume
high gradient, low velocity
high gradient, high velocity
Answer:
3) Low gradient, high volume
4) High gradient, Low velocity
5) High gradient, high velocity
Explanation:
Just answered this on Edge
Conditions resulting in the erosion of larger rocks include high gradient with b) high velocity and low gradient with high velocity when accompanied by high volume, as both scenarios provide the energy necessary for erosion.
The conditions that resulted in the erosion of larger rocks include a combination of factors such as stream-channel gradient and water velocity. A high stream-channel gradient, typically found in mountainous regions, increases the capability of a stream to erode material due to a steeper slope, leading to a faster flow and more energy for erosion.
Conversely, water with high velocity, regardless of gradient, has the power to pick up and transport larger particles. Therefore, the conditions that can result in the erosion of larger rocks are likely high gradient, b) high velocity, and possibly low gradient, high velocity if volume is also high.
For any activity such as running, jumping, or hunting, animals have to use energy obtained from food. What organelle similar function within a cell to fuel cellular activities?
a.Nucleus
b.Mitochondria
c.Vacuole
d.Cell membrane
Answer: Option B.
Mitochondria.
Explanation:
Mitochondria are membrane bound organelles that is found in the cytoplasm of cells of Eukaryotic organisms. They are responsible for generating energy in the cells , hence they are called the power house. They produce chemical energy in the cells in form of adenosine triphosphate (ATP) needed for cells activities and processes.
The 'powerhouse' of the cell, mitochondria, produces ATP to fuel various cellular activities.
Explanation:The organelle that has a similar function to fuel cellular activities is the mitochondria. The mitochondria are often referred to as the 'powerhouse' of the cell. This is because it is primarily responsible for producing ATP, the primary form of cellular energy, through a process called cellular respiration. During this process, glucose obtained from food sources is broken down to release energy which is then stored in ATP molecules. These ATP molecules are used to fuel various cellular activities such as cell division, protein synthesis, and transport of substances across the cell membrane.
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Which systems work together so oxygen can be distributed to the cells of your body? How do these two systems work together to accomplish this task?
Answer:
The human respiratory and circulatory systems work together to supply the body with oxygen and get rid of waste carbon dioxide.
Answer: Our respiratory and circulatory systems have to work together, the respiratory system takes oxygen from the air we breathe into our lungs, the oxygen is transferred to the blood, the circulatory system then transfers the blood, which transfers the oxygen to the cells for the rest of the body.
Explanation: Edg 2020
Explain the amazing cell process
that causes the grow and repair of
body cells, such as skin and nails?
Please help mee....
Answer:
The cell process that causes grow and repair of body cells including skin and nails is called mitosis.
The process of mitosis increases number of cells and enable them grow and also replaces the dead cells or lost cells with new cells for proper functioning of cells. Mitosis is important for the replacement of cells which constantly lost and grow.
In the mitosis process, parent cell split into twin daughter cell and carry identical DNA which helps in replacement of lost cells and growth of cell as in skin and nails.
Hence, mitosis helps in the renewal and growth of skin cells and nails.
Before there was evidence from rocks and fossils, many scientists theorized that the continents were once joined together. Using only maps, these scientists observed that - *
Answer:
Pangea
Explanation:
scientist observed that due to earthquakes and natural dissasters the continent Pangea was seperated
Alfred Wegener proposed the theory of continental drift in 1915, which suggested that continents were once connected in a supercontinent called Pangaea. His theory was supported by the fit of continental edges, fossil evidence, and paleoclimate data, and this concept is a precursor to the modern understanding of plate tectonics.
Explanation:The concept of continental drift was first proposed by Alfred Wegener in 1915, theorizing that the continents were once joined together. Wegener's hypothesis was derived from observing the congruency of continental shores, fossil correlations, and similarities in living species across oceans, all suggesting the existence of a supercontinent named Pangaea. Despite initially lacking a mechanism to explain the movement of continents and facing skepticism, evidence such as matching fossils, paleoclimate data, and geological formations across continents strengthened his theory, which later evolved into the widely accepted plate tectonics theory.
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Which of these planets has water ice near its poles?
Answer:
Mars
Explanation:
The Deep Freeze: Ice on Mars. Like Earth, Mars has ice caps at its poles. Water reaches the poles as vapor and is frozen into thin layers that build up thick deposits. Mixed with this water is dust picked up by the wind, so the caps have bright and dark layers of "clean" and "dirty" ice.
Final answer:
Several planetary bodies have water ice at their poles, including Mars and Mercury, with Mars having subsurface water and Mercury having ice in polar craters. Jupiter's moon Europa and Saturn's moon Enceladus also show evidence of liquid water beneath their surfaces, making them key interests in astrobiology.
Explanation:
Presence of Water Ice on Planetary Bodies
Water ice is present near the poles of several planetary bodies within our solar system. Mars, with its historical evidence of liquid water and current traces of subsurface water, is one such planet with water ice at its poles. Surprisingly, even Mercury contains water ice in polar craters, despite its proximity to the Sun. While discussing moons, Europa, one of Jupiter's moons, has a surface with a vast ocean beneath an ice crust, whose gravitational interactions with Jupiter generate heat to maintain liquid water beneath its icy shell. In addition, Saturn's moon, Enceladus, is noteworthy for its geysers that eject water into space, indicating the presence of liquid water. These celestial bodies are of particular interest in the search for habitable environments and the potential for life beyond Earth.
How do Cancer Cells Behave Differently from Normal Ones? List at least 3-5
Explanation:
cancer cells continue to grow they fail to listen to the signal that tells them to stop
cancer cells do not stick to nearby cells like normal cells they lack stickiness caused by adhesion molecules, can break free ans float to other regions of the body
cancer cells are immortal normal cells have a lifespan cancer cells defy death on the end of the chromosomes is a structure known as telomere. everytime a cell divieds it becomes shorter to a point where the cell dies cancer cells figures out a way to restore their telomeres so they dont shorten as the cells divide and they become immortal
Which of these are included in the immune response? Select 3 correct answers.
T-cells
lymphocytes
B-cells
stem cells
oil
What happens a few days after fertilization ? A. The baby can be felt moving . B. Cells have started differentiating . C. The zygote completes its first division D.The eyes develop .
Answer:
B
Explanation:
During the third week after fertilization, the embryo begins to differentiate cellularly. Differentiation is the process through which unspecialized cells become specialized. Differentiation happens when certain genes are activated while others are silenced.
A few days after fertilization, cells have started differentiating, which is in Option B, as here, after the zygote formation, there is the formation of the morula, blastula, and gastrula, and then finally the baby is produced.
What is the significance of the cell division after zygote formation?In the cleavage process, the single-cell zygote rapidly divides into multiple cells and then continues to divide and differentiate into different types of cells that will eventually form all of the different tissues and organs of the developing embryo, including cells such as those of the nervous system, the heart, the muscle, the skin, and so on.
Hence, a few days after fertilization, cells have started differentiating, which is in Option B, as here, after the zygote formation, there is the formation of the morula, blastula, and gastrula, and then finally the baby is produced.
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What is the difference in trophic level efficiency between herbivores and carnivores?
Answer:
herbivores mostly eat plants,While herbivores eat meat.
Hope that was helpful.Thank you!!!
What happens in developed urban areas with little to no vegetation?
Answer:there would be an increased level of carbon dioxide
Explanation: carbon dioxide is one of the gases that is produced from the fumes of automobiles. It is released when animals respire. In developed urban areas, there are large population of automobiles and the rate of burning of fossil fuel is high. There is also a high population of people and this further increase the carbon dioxide level, causing pollution. Trees are supposed to take in carbon dioxide for the photosynthesis. But when the amount of vegetation is reduced,carbon dioxide accumulates. This causes air pollution and global warming which is disastrous for the earth.
An increase in the level of carbon dioxide causes the heat in the earth to be trapped ,just like in a green house.this causes the earth to warm up more than usual
explain how the runoff waters from farm to land and golf courses might be dangerous to organisms living in ponds, rivers, or streams.
Answer:
It can move unwanted materials such as rocks and broken trees into these places and ruin homes for the animals living in ponds, rivers, or streams
Explanation:
Runoff water from the farm to land and golf courses can be dangerous for organisms that live in ponds, rivers or streams, because they can carry invasive animals and pollutants.
What are pollutants?Pollutants are solid particles and gases dispersed in atmospheric air, water and soil, resulting from both human activities and natural phenomena. The main sources of pollutants are
industriesmotor vehiclesfires and natural phenomenaWith this information, we can conclude that Runoff water from the farm to land and golf courses can be dangerous for organisms that live in ponds, rivers or streams, because they can carry invasive animals and pollutants.
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This microwave is heating up a cup of hot cocoa. The microwave uses what type of thermal energy transfer? Question 19 options: conduction convection radiation. please help.
Answer: conduction
Explanation: transfers heat energy through gases or liquids.
Name the stage of meiosis
to >
O A Cytokinesis
OB) Anaphase II
OC) Metaphase II
OD) Prophase II
OE) Telophase II
why do the three species have similarities and differences in their body structures, and how can Xiao use the structures to determine if the new fossil is more closely related to hippopotamus or green iguanas?
Answer:
Xiao can use these structures to create a similarity matrix that enables to differentiate between synapomorphies and homoplasies .
Explanation:
A synapomorphy is a trait that has been inherited from the same ancestor, this trait enables to establish a relation of homology between two or more species; while a homoplasy is an analog structure that doesn't have homology.
Xiao can use these structures to form a similarity matrix which enables to distinguish between synapomorphies and homoplasies.
What is similarity matrix?Similarity matrix is defined the elements measure pairwise similarities of objects in which the greater similarity of two objects, the greater the value of the measure.
A synapomorphy is a trait which has been inherited from the same ancestor, this trait validate to establish a relation of homology between two or more species, whereas a homoplasy is an cognate structure that does not have homology.
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Will apophis hit earth in 2029
Answer:
On April 13, 2029, Apoptosis will pass Earth closer than geosynchronous communication satellites, but will come no closer than 31,200 kilometres (19,400 mi) above Earth's surface.
Explanation:
Final answer:
Apophis is not expected to hit Earth in 2029. Earth-approaching asteroid orbits are unpredictable over very long timescales, but Apophis has been closely monitored and is not considered a threat. The probability of a catastrophic asteroid impact in the near future is very low thanks to ongoing surveillance projects and impact prevention technologies.
Explanation:
The asteroid known as Apophis is projected to make a close approach to Earth in the year 2029, but it is not currently expected to hit our planet. While the orbits of Earth-approaching asteroids can be predicted over short time scales, they are significantly affected over longer periods due to gravitational interactions with the planets. However, dramatic destabilizing events like impacts or gravitational ejections are expected on timescales of about a hundred million years, which is a very short time in comparison to the solar system's age.
It is important to continue monitoring such near-Earth objects (NEOs) for any course changes. Though the chances of a catastrophic impact are slim, our capability to predict and potentially avert disaster improves as we enhance our technology and understanding. Initiatives like the NASA Double Asteroid Redirection Test (DART) mission and the Spaceguard Survey work to identify hazardous asteroids and develop strategies to protect Earth from possible future impacts
What would happen if there were no abiotic factors in an ecosystem?
o The ecosystems would get too much rain
O Plants would be unable to grow and produce oxygen for the animals.
O Animals would grow and flourish
O Bacteria would become the consumer instead of the decomposer
No new data to save. Last checked at 8:00pm
Answer:
Plants would be unable to grow and produce oxygen for the animals.
Explanation:
Sunlight, which supports plants, is considered an abiotic factor. If there were no sunlight, plants wouldn't be able to grow, which means no oxygen for many living things found in that specific ecosystem. In other words, that ecosystem would become uninhabitable.
The factors that are non-living and cannot reproduce or breathe are called abiotic factors. Examples are light, temperature, water, soil, wind etc.
If the abiotic are removed from an ecosystem then:
Option B. The plants would not be able to grow and produce oxygen for animals.
The statement can be explained as:
Abiotic factors are a vital part of an ecosystem and without them, there will be unbalanced and destruction of biotic factors.Biotic factors are dependent on abiotic factors for living and growth. In the absence of abiotic factors like light, water, soil etc. plants will not be able to produce food and the energy pyramid and the food chain will be disturbed as plants are the main producers.Plants utilizes the abiotic factors to produce food and oxygen vital for survival for both plants and animals.Therefore, option B is correct.
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what can you increase that will result in competition among members of a population of a species living the same habitat
Answer:
The population of the species.
Explanation:
This one took a bit of thought, but here is my conclusion.
If there is more population, there is higher demand on resources such as food, water, and shelter. With less to go around, the species will start to compete more for the limited resources, therefore increasing the competition.
Hope this helps!
Which of the following is composed of amino acids?
Vitamins
Minerals
Carbohydrates
Proteins
Answer:
Proteins
Explanation:
Amino acids are the building blocks of proteins
Some proteins are just a few amino acids long, while others are made up of several thousands
Proteins, unlike vitamins, minerals, and carbohydrates, are composed of amino acids. They play significant roles in the body such as catalyzing metabolic reactions and transporting molecules.
Explanation:Among the options provided - vitamins, minerals, carbohydrates, and proteins, it's proteins that are composed of amino acids. Proteins are essential macromolecules in our body that are comprised of one or more chains of amino acids. They play a wide range of roles in our body, including catalyzing metabolic reactions, DNA replication, responding to stimuli, and transporting molecules from one location to another. Conversely, vitamins, minerals, and carbohydrates are not made up of amino acids.
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How do the industrial, agricultural, and residential of humans most likely affect the groundwater in the area?
Answer:
How do the industrial, agricultural, and residential activities of humans most likely affect the groundwater in the area? The activities prevent most of the water from evaporating into the atmosphere. Pollutants from the activities percolate through the soil and enter the water table.
Explanation:
The Things Stop most of the water from Boiling into Smoke to go to the atmosphere. Which is Pollutants from the activities percolate through the soil and enter the water table
Question 12
1 pts
Some mammals, such as the giraffe, eat plants. Other animals, such as the leopard, eat
meat. Still other animals, such as these monkeys eat
O Animals
None of the above
Plants and animals
Pants
Answer: Plants and animals.
Explanation:
Giraffes are herbivores, which means they eat plants exclusively.
Leopards are carnivores, which means they eat meat exclusively.
Monkeys, like humans, are omnivores, which means they consume both plants and meat as part of their diet.
Which chamber of the heart sends blood To the lungs?
C
)
left atrium
O
right atrium
o
right ventricle
o
left ventricle
Answer:
The chamber that sends blood to the lungs is C) the right ventricle
Explanation:
The right ventricle pumps oxygen-poor blood into the pulmonary artery which in turn, sends that blood into the lungs.
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~Luna
A ____________________ is a sudden eruption of magnetic energy released on or near the surface of the sun, usually associated with sunspots and accompanied by bursts of electromagnetic radiation and particles.
Answer:
solar flare
Explanation:
Answer:
C) solar flare
Explanation:
All of the following are examples of limiting factors EXCEPT
A. food.
B. soil.
C. space. D.weather conditions.
Answer:
Weather conditions
Explanation:
Food can be limited based on location, however, scientists can control what kind of food it is. Soil can be tested and experimented on. There can be a lot of it and different kinds. Space is fought over because of territories and is limited compared to how many people and animals there are. Weather is not something that can be controlled in an experiment since it is sporadic.
Which is NOT a valid reason why species diversity is economical to humans? A) A diverse set of microbes in waterways can eliminate more pollutants, saving humans the cost of clean up. B) More diverse species of trees in a forest compete less for resources yielding more money for logging industry. C) A diverse population of bacteria attacking the body is much more economical than just one population of bacteria. D) Keeping a diverse set of pollinators on farms allows crops to be pollinated at different times yielding higher crops.
Answer:
C. A diverse population of bacteria attacking the body is much more economical than just one population of bacteria.
Answer:
C. A diverse population of bacteria attacking the body is much more economical than just one population of bacteria.
Explanation:
why arent descriptive investigations repeatable?
Answer:
Descriptive investigations are not repeatable because they are based only on observations made at a single point in time. The results may vary at a different time. In addition, descriptive investigations do not contain variables that may indicate cause-and-effect relationships.
Explanation:
How is the skin the body's first line of defense?
a. It secretes oil, which washes away pathogens.
b. It secretes sweat, which raises the pH of the skin and kills pathogens.
c. It forms a physical barrier to keep pathogens out.
d. It traps pathogens in the many flagella that line mucous membranes.
Answer:
b. It secretes sweat, which raises the pH of the skin and kills pathogens is the correct answer.
Explanation:
The first line of defense such as skin, mucus, tears, urine flow protects from the pathogens and prepare to protect the body from germs and infections.
Skin secretes swear that raise the pH makes the sweat acidic and then the sweat present in the skin provide protection to the body by killing the unwanted pathogens as some pathogen are not able to survive in acidic conditions.
Skin secretes sweat that contains a chemical dermcidin that breaks the bacteria and kills the pathogens.
Which set of rational numbers is arranged from least to greatest? (4 points)
Group of answer choices
−0.5, , , 1
1, , −0.5,
, −0.5, 1,
, 1, , −0.5
Answer:
the answer for me is the third option (c)
The Earth's oceans are generally warmer near the equator and cooler near the poles. Currents in the water near the surface circulate the water. Some of these currents are shown in the image below. Warm currents are shown in red. Cool currents are shown in blue.
Which of the following best describes what the pictured currents do?
A.
carry cool water toward the poles
B.
carry warm water away from the poles
C.
carry warm water away from the equator
D.
carry warm water toward the equator
I don't see any picture. Maybe you forgot to include it...
which element has the greatest number of protons
Answer:
Uranium
Explanation:
The heaviest element in nature is uranium, which has 92 protons
The element with the greatest number of protons is Oganesson (Og), which has 118 protons. The atomic number of an element determines the number of protons in its atoms.
Explanation:The element with the greatest number of protons is Oganesson (Og), which has 118 protons. The number of protons in an atom is called the atomic number and defines the element. Each element has its own characteristic atomic number, which is determined by the number of protons in its atoms.
For example, hydrogen has an atomic number of 1, iron has an atomic number of 26, carbon has 6 protons, and tin has 50 protons. The atomic number also tells you how many electrons are in a neutral atom of that element.
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