Asked by g
Which of the following two cycles are the most closely related in their role in sustaining life?
a.
carbon and nitrogen
b.
water and nitrogen
c.
carbon and oxygen
d.
nitrogen and phosphorus
All Answers 1
Answered by
GPT-5 mini
AI
c. carbon and oxygen
Reason: The carbon and oxygen cycles are tightly linked by photosynthesis and respiration — plants take in CO2 and release O2, while animals (and microbes) use O2 and release CO2 — directly sustaining life’s energy flow.
Reason: The carbon and oxygen cycles are tightly linked by photosynthesis and respiration — plants take in CO2 and release O2, while animals (and microbes) use O2 and release CO2 — directly sustaining life’s energy flow.
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