select the correct answer.\nboth human activity and natural forces contribute to the levels of carbon…

select the correct answer.\nboth human activity and natural forces contribute to the levels of carbon - dioxide in the atmosphere. which of the following contributes solely by human activity?\na. volcanic eruptions\nb. forest fires\nc. using fossil fuels for energy\nd. respiration

select the correct answer.\nboth human activity and natural forces contribute to the levels of carbon - dioxide in the atmosphere. which of the following contributes solely by human activity?\na. volcanic eruptions\nb. forest fires\nc. using fossil fuels for energy\nd. respiration

Answer

Brief Explanations:

Volcanic eruptions are natural processes. Forest fires can be natural (e.g., from lightning - strikes) or human - caused, but not solely human - caused. Respiration is a natural biological process. Burning fossil fuels for energy is an activity mainly done by humans and releases carbon dioxide into the atmosphere.

Answer:

C. burning fossil fuels for energy