Question

which of the following biogeochemical cycles involves the movement of carbon through ecosystems?

• nitrogen cycle
• phosphorus cycle
• carbon cycle
• water cycle

Explanation:

The question asks for the biogeochemical cycle involving carbon movement through ecosystems. The carbon cycle specifically describes how carbon is exchanged between the atmosphere, biosphere, geosphere, and hydrosphere, which matches the description. The other options focus on nitrogen, phosphorus, or water, not carbon.

Answer:

carbon cycle