Carbon Cycle Model

What are two major sources of atmospheric carbon?

• Fossil Fuels & Soil

• Fossil Fuels & Land Plants

• Land Plants & Oceanic CO2

• Soil & Oceanic CO2

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Which two carbon sinks remove carbon from the atmosphere?

• Fossil Fuels & Soil

• Fossil Fuels & Land Plants

• Land Plants & Oceanic CO2

• Soil & Oceanic CO2

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Which is the total amount of carbon removed from the atmosphere each year by the ocean and land plants?

• 65 GtC

• 63 GtC

• 69 GtC

• 60 GtC

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

What is the total amount of carbon added to the atmosphere each year from soils and the burning of fossil fuels?

• 65 GtC

• 63 GtC

• 69 GtC

• 60 GtC

Tags

NGSS.HS-ESS2-6

How much will atmospheric carbon change in 1 year?

• 9 GtC

• 4 GtC

• 5 GtC

• 69 GtC

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

NGSS.HS-LS2-5

How much will atmospheric carbon change in 10 years?

• 90 GtC

• 40 GtC

• 50 GtC

• 690 GtC

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

How much will atmospheric carbon change in 100 years?

• 900 GtC

• 400 GtC

• 500 GtC

• 6900 GtC

Tags

NGSS.HS-ESS2-6

what fossil fuel usage will result in no change in atmospheric CO2 each year?

• 9 GtC

• 4 GtC

• 5 GtC

• 69 GtC

Tags

NGSS.HS-ESS2-6

How much of a decrease in fossil fuel usage is required to achieve the goal of no change in atmospheric CO2 each year?

• 9 GtC

• 4 GtC

• 5 GtC

• 69 GtC

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

How does increasing plant biomass (amount of plants) affect atmospheric CO2?

• Decreases it

• Increases it

• It has no effect

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5