Question

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

by eating plants
by eating plants

by driving cars that use gasoline for fuel
by driving cars that use gasoline for fuel

by respiration
by respiration

by planting vegetable crops
by planting vegetable crops

Answer 1

The correct response is **by respiration**. While all the other options are related to human activity and the carbon cycle, respiration is the primary biological process through which humans (and other organisms) release carbon dioxide back into the atmosphere after consuming organic matter.