A carbon sink is important because they store carbon and lower the amount of carbon dioxide in the atmosphere. Thus, the correct option is B.
<h3>What is a Carbon sink?</h3>
A carbon sink may be defined as anything that sponges more carbon from the atmosphere than it discharges. It includes plants, soil compounds, oceans, etc.
The important function of a carbon sink is to absorb carbon dioxide from the atmosphere and control the levels of carbon dioxide in the atmosphere at manageable levels.
Therefore, the correct option for this question is B.
To learn more about Carbon sinks, refer to the link:
brainly.com/question/7150744
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