Unit 9 Global Change

Which of the following is most likely to reduce stratospheric ozone?

• clearcutting 200 ha of primary forest

• increasing production and emissions of trichlorofluoromethane

• increasing combustion of fossil fuels

• reducing the production and emissions of sulfur hexafluroide

The graph shows the area of the ozone hole over Antarctic. In which month does the ozone hole reach its maximum area?

• June

• August

• September

• October

Tags

NGSS.HS-ESS2-2

The graph shows the area of the ozone hole over Antarctic. In which season does the ozone hole reach its maximum area?

• Summer

• Fall

• Winter

• Spring

Tags

NGSS.HS-ESS2-2

Which of the following molecules has the lowest ozone depletion potential:

• CFC

• HFO

• HCFC

• HFC

The Kyoto Protocol is an international treaty designed and agreed to:

• Reduce the production of ozone depleting molecules

• Control global wildlife trade

• Protect endangered animals by controlling land use

• Reduce global warming by controlling the production of greenhouse gases

Tags

NGSS.HS-ESS3-4

NGSS.HS-ESS3-5

Which of the following molecules has the greatest global warming potential?

• Carbon dioxide

• Sulfur hexafluoride

• Nitrous oxide

• Methane

Tags

NGSS.HS-ESS3-5

The graph shows the monthly atmospheric CO2 concentration at the Launa Loa Observatory in Hawaii. The increased atmospheric CO2, in parts per million(ppm) between 1960 and present day is:

• 100ppm

• 70ppm

• 50ppm

• 25ppm

Tags

NGSS.HS-ESS2-2

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

The graph shows the monthly atmospheric CO2 concentration at the Launa Loa Observatory in Hawaii. Which of the following best explains the periodic fluctuations in the curve?

• Daily variation in sunlight levels

• Daily variation atmospheric temperature

• Seasonal variation in photosynthesis

• Seasonal variation in atmospheric temperature

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

The graph shows the monthly atmospheric CO2 concentration at the Launa Loa Observatory in Hawaii. Which of the following is the likely cause of the trend in the graph?

• Increased consumption of fossil fuels

• Increased levels of solar activity

• A constant annual increase in atmospheric temperature

• An increase in evaporation from the oceans

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-ESS3-1

NGSS.HS-ESS3-5

Greenhouse gases are produced from:

• Combustion of fossil fuels

• The high temperature reaction of oxygen and nitrogen in internal combustion engines

• belching and flatus of cattle

• all of the above

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-2

NGSS.HS-ESS3-5