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1. What is air pollution?
A
A positive effect on the environment
B
The effect caused by concentrations of solids, liquids or gases in the air
C
The concentration of clean air in the atmosphere
2. What are the sources of air pollution?
A
Only from human activity
B
Only occur naturally
C
Can be both from human activity and naturally occurring
3. Is air pollution only a local issue?
A
Yes, it only affects the immediate area
B
No, it can have a range that is local, national, regional or global
C
It depends on the severity of the pollution
4. Do cities tend to experience the most harmful concentrations of air pollution?
A
No, rural areas are more affected
B
Yes, because cities concentrate economic activity and demand for energy services
C
It depends on the location
5. Who is heavily exposed to toxic fumes from air pollution?
A
Only people who live in cities
B
Wealthy communities who use clean energy sources
C
Many of the world's poorest communities when cooking, heating and lighting their homes.