Question

Carbon dioxide is withdrawn from the carbon cycle in the forms of

• A. Organic matter
• B. Carbonate rocks
• C. Carbonate shells and skeletons in animals
• D. Both B and C

Answer 1

The correct option is D Both B and C

The carbon cycle is the constant transfer of carbon dioxide.

This also includes the formation of carbonate rocks such as limestone and carbonate shells in animals. In these forms, carbon dioxide can not be directly obtained by the process of decomposition and thus is withdrawn from thee carbon cycle.

The correct option is D.