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Biology 7 Online
OpenStudy (anonymous):

Which of the following best describes the interaction between Earth’s crust and living organisms? a. Raw materials essential for life are cycled through Earth’s crust. b. Fossil fuels are a valuable energy source for the biosphere. c. The continental crust allowed the evolution of life on land. d. The crust recycles the organic materials in sedimentary rock.

OpenStudy (petiteme):

I think it's A. What's your guess?

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