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CBSE
Class 9
Science
Exploration
Earth as a System: Energy, Mat...
Question Bank

What is the primary role of bi...

Single Answer MCQ
Q-00172519

What is the primary role of biogeochemical cycles in an ecosystem?

1

To provide food directly to all organisms.

2

To recycle essential nutrients between biotic and abiotic components.

3

To create new elements for use by living things.

4

To remove pollutants and toxins from the organism.

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