Question 1
Humans cause a significant amount of air pollution by burning _____ fuels?
Fossil
Organic
Electric
Question 2
What effect of air pollution is caused when sulfur dioxide gets high into the atmosphere?
Global warming
Respiratory infection such as lung cancer and heart disease
Acid rain
Question 3
What is the biggest single cause of air pollution?
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?
Forest fires
Oil spills
Fossil fuels
Question 5
What is one way to reduce pollution?
Carpool
Recycling
Take public transports
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