Q: How do oceans help control global warming?


Read this paragraph and choose the correct option from the provided answers:

Ocean water also absorbs gases from the atmosphere. The most important are oxygen and carbon dioxide. Oxygen is needed by living things in the oceans. Much of the carbon dioxide sinks to the bottom of the seas. Carbon dioxide is a major cause of global warming. By absorbing carbon dioxide, the oceans help control global warming.

 Choices:

- releasing oxygen

- reflecting light

- Cooling air

- absorbing carbon dioxide


A:
absorbing carbon dioxide