Which of the following statements best describes the importance of biogeochemical cycles?
a. they explain how adaptations of organisms can change based on environmental pressures
b. they explain how energy moves through trophic levels of an ecosystem
c. they chart how biotic changes destroy unstable ecosystems
d. they show how certain compounds and elements move through the environment and are continually used and recycled
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Which of the following statements best describes the importance of biogeochemical cycles?
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