Its the Eccentricity of the earth. (shape of Earth's Orbit around the sun, whether it is more circular or ovular.)
Hey, i don’t see the diagram if you repost the question i will be able to help
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Cells are sometimes referred to as "life's atoms" because there the basic units of life. All cells are surrounded by a structure called the cell membrane — which, serves as a clear boundary between the cell's internal and external environments.
Locations at latitude closer to the equator receive stronger and more direct sunlight than locations near the poles.
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The answer is c because A and B are not really giving off an imporant feeling to why carbon is important and D if you read the question carefully it says abundant which means to be a lot of, so C would be your answer
and plus i did the test
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