Question 1
Humans cause a significant amount of air pollution by burning _____ fuels?
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Fossil![]()
Organic![]()
Electric
Question 2
What effect of air pollution is caused when sulfur dioxide gets high into the atmosphere?
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Global warming![]()
Respiratory infection such as lung cancer and heart disease![]()
Acid rain
Question 3
What is the biggest single cause of air pollution?
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Factories![]()
Forest fires![]()
Transport such as cars
Question 4
Pollution can also come from natural resources. What is one natural resource that can cause pollution?
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Forest fires![]()
Oil spills![]()
Fossil fuels
Question 5
What is one way to reduce pollution?
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Carpool![]()
Recycling![]()
Take public transports
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