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How do carbon sinks form underground?

Plant and animal material get buried and builds up over time.


Carbon builds up in rocks spontaneously over long periods of time.


Carbon dissolves into the soil from the atmosphere.


Plants release carbon into the soil through their roots.

User Fredkr
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1 Answer

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27 votes

Answer:

a

Step-by-step explanation:

i took the test

User Jason Fuerstenberg
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