Biology, 29.01.2021 17:20, lekaje2375
Which of the following statements is most accurate?
A--A finite amount of carbon exists on Earth, and it moves through living and nonliving materials through the carbon cycle.
B--The amount of carbon on Earth cycles, gradually increasing as it moves up the food chain, and decreasing until the next phase of the cycle.
C--Carbon flows through the food chain as animals eat it, then decomposes and is permanently removed from the system when the food chain is complete.
D--Carbon enters Earth's atmosphere when animals exhale, then moves into space where its amount steadily increases, and finally moves back into Earth's atmosphere to be used again
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Which of the following statements is most accurate?
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