Is all of Earth’s carbon dioxide supply constantly being used by organisms?(1 point)

Question

Responses

No, some is stored in Earth’s carbon sinks, such as the oceans.
No, some is stored in Earth’s carbon sinks, such as the oceans.

Yes, and it is used up as soon as it is formed.
Yes, and it is used up as soon as it is formed.

No, some is stored in Earth’s only carbon sink, the atmosphere.
No, some is stored in Earth’s only carbon sink, the atmosphere.

Yes, and it briefly passes through the atmosphere as it cycles between organisms.
Yes, and it briefly passes through the atmosphere as it cycles between organisms.

Answer 1

The correct response is:

No, some is stored in Earth’s carbon sinks, such as the oceans.

This answer acknowledges that not all of Earth's carbon dioxide is being used by organisms, as some of it is sequestered in carbon sinks, which include the oceans, forests, and soil.

Answer 2

Which of these is the largest living carbon sink?(1 point)
Responses

ocean
ocean

insects
insects

forests
forests

soil

Answer 3

The correct response is:

ocean

The ocean is considered the largest living carbon sink, as it absorbs significant amounts of carbon dioxide from the atmosphere and stores it in various forms, including dissolved CO2 and organic matter from marine organisms.