Question

nitrogen cycle and co2 cycle
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Answer 1

Answer:

Humans have changed the natural carbon cycle by burning fossil fuels, which releases carbon dioxide into the atmosphere. ... The nitrogen cycle begins with nitrogen gas in the atmosphere then goes through nitrogen-fixing microorganisms to plants, animals, decomposers, and into the soil.

Answer 2

Answer:

Global warming is a consequence of increased carbon dioxide and other greenhouse gases in the atmosphere. The nitrogen cycle begins with nitrogen gas in the atmosphere then goes through nitrogen-fixing microorganisms to plants, animals, decomposers, and into the soil.