Carbon Cycle

Carbon Cycle

by Sokha Wise

​Bell work

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Multiple Choice

What is the 6th most abundant element in the universe?

• Hydrogen

• Oxygen

• Carbon

• Nitrogen

Multiple Choice

What percent of chemical compounds have carbon in them?

• 100%

• 90%

• 70%

• 50%

Multiple Choice

What is the difference between a carbon sink and a carbon source?

• They both release carbon.

• A carbon sink stores carbon while a carbon source releases carbon.

• They both store carbon.

• A carbon source create new carbon and a sink recycles old carbon.