Answer:
B. Form of active transport
Answer:
They are rovers that are made to study Mars. For example, they can analyze the martian soil.
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Explanation:
The carbon cycle describes the way the element carbon moves between the Earth's biosphere, hydrosphere, atmosphere, and geosphere. It is important for a few reasons: Carbon is an essential element for all life, so understanding how it moves helps us to understand biological processes and factors that influence them.
Source: Google
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Answer:
propose is the correct answer
