Carbon Cycle

Carbon can be found in...

• The atmosphere

• Soil

• Fossil fuels

• All of the above

Tags

NGSS.MS-LS2-3

Which of the following removes carbon from the atmosphere?

• Combustion

• Respiration

• Photosynthesis

• Death

Tags

NGSS.MS-LS1-6

When humans EXHALE, we release __________________.

• Oxygen

• Carbon Dioxide

• Nitrogen

• Water

According to the diagram, what are the reservoirs of carbon? (Select more than one...)

• Oceans

• Vegetation, Soil, & Rock

• Fossil Fuels (underground)

• Atmosphere

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

• True

• False

Tags

NGSS.MS-LS2-3

The diagram shows the flow of organic molecules through an ecosystem. What process is identified by the label Y?

• Combustion

• Decomposition

• Photosynthesis

• Cellular Respiration

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

If decomposition did not occur, what would happen?

• Carbon would not be recycled into the atmosphere

• Carbon would be locked in the waste and dead matter, leaving less and less CO₂ for photosynthesis

• Wastes and dead organisms would pile up

• All of these answers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Coal, oil, peat, and natural gas are all examples of...

• Carbon sinks

• Fossil Fuels

• Materials that store carbon long-term

• All of these answers

Which of the following processes decreases the amount of carbon dioxide in the atmosphere?

• factories burning fossil fuels

• photosynthesis

• erosion

• 

Tags

NGSS.MS-LS1-6

Photosynthesis

• absorbs CO₂

• releases CO₂

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6