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AssignmentMultiple Choice

Populations and the Environment

Question 1 • 25.26 TCEC BIO 1

What is a biogeochemical cycle?

Answer
A
a process by which bacteria convert nitrates into nitrogen gas
B
a process that converts light energy into chemical energy
C
a process by which water enters the atmosphere by evaporating from the leaves of plants
D
a process that recycles elements and other matter through the biosphere

Explanation

A biogeochemical cycle moves and recycles elements and other matter between living organisms and parts of Earth, such as the atmosphere, water, and soil. Therefore, the correct choice is a process that recycles elements and other matter through the biosphere. Choices A, B, and C describe specific processes, not the general meaning of a biogeochemical cycle.

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