Question

a. Carbon cycle. b. Nitrogen cycle N c. Oxygen cycle. diagram
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Answer 1

Explanation:

a) Carbon cycle is a process in which carbon travels from the atmosphere into organisms and the Earth and then back into the atmosphere.

b) The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmosphere, terrestrial, and marine ecosystems.

c) The oxygen cycle describe the various forms in which oxygen is and how its moves through different reservoirs on Earth.

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