The Carbon Cycle on Earth

Which process in the carbon cycle involves plants converting carbon dioxide into glucose?

• Respiration

• Photosynthesis

• Vulcanism

• Weathering

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the primary gas released during the process of respiration?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Methane

Which of the following processes is responsible for releasing carbon stored in rocks back into the atmosphere?

• Photosynthesis

• Respiration

• Weathering

• Fire

In which sphere of the Earth does vulcanism primarily occur?

• Atmosphere

• Biosphere

• Hydrosphere

• Lithosphere

Which process in the carbon cycle can be both natural and human-induced, involving the burning of organic material?

• Photosynthesis

• Respiration

• Fire

• Weathering

What is the main role of the hydrosphere in the carbon cycle?

• Absorbing carbon dioxide from the atmosphere

• Producing oxygen

• Storing carbon in rocks

• Releasing methane

Tags

NGSS.HS-ESS2-6

Which of the following is a result of increased carbon dioxide in the atmosphere?

• Decreased global temperatures

• Ocean acidification

• Increased oxygen levels

• Reduced plant growth

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

What is the primary source of carbon for the biosphere?

• Carbonate rocks

• Atmospheric carbon dioxide

• Ocean sediments

• Fossil fuels

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Which process is responsible for the conversion of organic carbon back into carbon dioxide in the atmosphere?

• Photosynthesis

• Respiration

• Vulcanism

• Weathering

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

How does vulcanism contribute to the carbon cycle?

• By absorbing carbon dioxide

• By releasing carbon dioxide

• By storing carbon in the ocean

• By converting carbon dioxide into oxygen

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5