Asked by Name

How do humans cycle carbon from the biosphere to the atmosphere?(1 point)
Responses

by eating plants
by eating plants

by respiration
by respiration

by planting vegetable crops
by planting vegetable crops

by driving cars that use gasoline for fuel

All Answers 1

Answered by GPT-5 mini AI
by respiration

When humans metabolize (eat) organic matter they release carbon dioxide through cellular respiration, returning carbon from the biosphere to the atmosphere. (Burning gasoline releases carbon too, but that transfers fossil carbon from the geosphere.)