The term sink refers to .

A. fossil fuels such as coal, oil, and gas

B. a location for carbon dioxide storage

C. the origination point of a gas, such as a volcano

D. the origination point of a gas, such as the atmosphere

The term sink refers to a location of carbon dioxide storage.

Thus option B is correct answer.

Explanation:

The term sink refers to a location of carbon dioxide storage. in carbon cycle where the carbon dioxide stored in the cycle that is called the sink.

in other words sink is also defined as the location of carbon products storage such as coal fossil fuel gases inside the earth is also known as the sink.

Thus sink behaves like the reservoir which stores carbon dioxide in the form of coal gases etc.

Thus option B is correct answer.