Unit 9- Air Pollution and Global Warming

Which of the following is NOT a global consequence of global warming?

• Rising sea levels

• Increase in surface temperature

• Melting of ice caps and sea ice

• Decrease in insect born illnesses

Which of the following would be an example of a positive feedback mechanism associated with global warming?

• Increase tree growth

• Decreasing sea levels

• Melting of ice caps

• Increased acidity of water

Los Angeles has the largest smog problem in the US. Which factor does NOT contribute to smog formation there?

• large amounts of vehicle exhaust

• Large amounts of sunlight and heat

• sea side breeze

Global climate change occurs because increasing concentrations of greenhouse gasses in

• the troposphere absorbs outgoing IR radiation

• the troposphere reflecting incoming IR radiation

• the stratosphere absorbs outgoing IR radiation

• neither the troposphere nor the stratosphere absorbs incoming UV radiation

An atmospheric or thermal inversion:

• recycles the pollution in the air

• traps the pollution under a layer of hot air

• increases plant growth

• depletes the ozone layer

Which of the following is most closely related to acid deposition?

• Increasing aquatic biodiversity

• An increase in buffering of lake water by sulfates

• Leaching of metals from the soil

• The death of species tolerant of low pH levels

The three main anthropogenic sources of gaseous air pollutants in the United States are

• industry, transportation, and agriculture

• soil erosion, volcanoes, and forest fires

• industry, transportation, and energy production

• industry, construction, and agriculture

Which of the following is linked to both global warming and ozone depletion?

• CO2

• N20

• SO2

• CFCs

Tropospheric ozone is caused by

• industrial waste

• car exhaust

• fertilizer use

• forest fires

Which of the following human activities has led to the destruction of the ozone?

• mining

• building of wind farms

• irrigation

• refrigerant and coolant use