Carbon Cycle 2nd block 2022

Combustion is another word for __________.

• Transportation
• Respiration
• Fossil Fuels
• Burning

TRUE or FALSE?
All of the carbon in existence is continually recycled in the carbon cycle.

• True
• False

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

Carbon can be found in...

• The atmosphere
• Soil
• Fossil fuels
• All of the above

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

Respiration is the process by which animals take in _____ and release _____. 

• photosynthesis, air
• carbon, oxygen
• oxygen
• oxygen, carbon dioxide

Which gas do plants release, that humans depend on for survival?

• Water

• Carbon Dioxide

• Oxygen

• Sugar

The process of plants turning carbon dioxide and water into oxygen and sugar is called

• Respiration

• Oxidation

• Photosynthesis

• Combustion

Which gas do animals release, that plants depend on for survival?

• Carbon dioxide

• Oxygen

• Sunlight

• Water

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels