Which statement best describes how the cycling of carbon affects earth?

Carbon compounds move through plants and animals, the ocean, the air, and throughout our planet. Carbon present in our atmosphere as carbon dioxide contributes to the"Greenhouse Effect" and related global warming. Carbon cycle used to described the flow of carbon in various form such as carbon dioxide CO2, organic matter, and carbonates through the atmosphere, body of water, terrestrial biosphere, and lithosphere.

therefore, the efficiency is:

It is d, all the other ones say incorrect answer .