CK12 Air Pollution Reading Quiz

Why is the atmosphere important for living organisms?

• It is the primary source of light.

• It prevents all UV radiation from reaching Earth.

• It is the only source of water.

• It provides essential gases like oxygen and carbon dioxide.

What is the major cause of outdoor air pollution?

• Solar energy utilization

• The burning of fossil fuels

• Plant photosynthesis

• Water vapor in the atmosphere

How does air pollution affect human health?

• It increases cognitive abilities.

• It causes skin and eye improvement.

• It causes respiratory and cardiovascular problems.

• It enhances physical fitness.

What role does the atmosphere play in the water cycle?

• It heats the Earth's surface.

• It refills lakes and rivers with precipitation.

• It stores freshwater in underground aquifers.

• It prevents precipitation.

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What is a consequence of the depletion of the ozone layer?

• Decrease in global temperatures.

• Increase in global oxygen levels.

• Increased global literacy rates.

• Higher levels of UV radiation reaching Earth.

What is considered 'bad ozone'?

• Ozone that forms in the stratosphere.

• Ozone used in medical applications.

• Ozone that forms near the ground level.

• Ozone found in pure air.

How can air pollution cause acid rain?

• By creating acids when nitrogen and sulfur oxides combine with water.

• By filtering out pollutants through the ozone layer.

• By decreasing the amount of nitrogen in the air.

• By increasing the pH of precipitation.

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What is a way to reduce air pollution from fossil fuels?

• Using more aerosol sprays.

• Burning more coal and wood.

• Switching to nonpolluting energy sources.

• Increasing the use of fossil fuels.

What happens if acid rain falls into lakes?

• It has no effect on aquatic organisms.

• It promotes aquatic plant growth.

• It kills aquatic organisms.

• It increases the pH of the water.

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What is the impact of air pollution on ecosystems?

• It purifies the water sources.

• It stabilizes the climate.

• It increases biodiversity.

• It causes acid rain, ozone depletion, and global warming.

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