Question

What energy sources power the carbon cycle? Select ALL that apply.
Group of answer choices

gravitational energy

solar energy

electrical energy

Earth’s internal energy

Flag question: Question 2
Question 21 pts
Which is an example of carbon cycling between the hydrosphere and biosphere?
Group of answer choices

The wind weathers parts of a rock away.

A fish exhales carbon dioxide into the ocean water around it through its gills.

A cow eats some grass.

A dog exhales as it chases a ball.

Flag question: Question 3
Question 31 pts
What is one reason why calcium carbonate (CaCO3) is important for marine animals?
Group of answer choices

Mollusks use calcium carbonate to make their shells.

Fish breathe calcium carbonate through their gills.

Dolphins use calcium carbonate for echolocation.

Calcium carbonate causes volcanic eruptions that help marine life flourish.

Flag question: Question 4
Question 41 pts
Which statement best describes the carbon cycle?
Group of answer choices

carbon’s decrease in Earth’s reservoirs decreases over time

carbon’s formation deep within the Earth’s crust

carbon’s movement throughout the reservoirs of Earth’s systems

carbon’s increase in Earth’s reservoirs over time

Flag question: Question 5
Question 51 pts
Which form of carbon do plants use during photosynthesis?
Group of answer choices

graphite (C)

calcium carbonate (CaCO3)

carbon dioxide (CO2)

methane (CH4)

Answer 1

Here are the correct answers:

1) What energy sources power the carbon cycle? (Select ALL that apply)
- Solar energy
- Earth’s internal energy

2) Which is an example of carbon cycling between the hydrosphere and biosphere?
- A fish exhales carbon dioxide into the ocean water around it through its gills.

3) What is one reason why calcium carbonate (CaCO3) is important for marine animals?
- Mollusks use calcium carbonate to make their shells.

4) Which statement best describes the carbon cycle?
- Carbon’s movement throughout the reservoirs of Earth’s systems.

5) Which form of carbon do plants use during photosynthesis?
- Carbon dioxide (CO2)