Pollution

1. What is the primary source of air pollution from vehicles?
Water vapor
Carbon dioxide (CO2)
Nitrogen oxides (NOx)
Oxygen (O2)
2. Which of the following is a major contributor to water pollution?
Proper sewage treatment
Recycling efforts
Industrial waste discharge
Natural rainfall
3. What is the term for pollution that occurs when chemicals seep into the ground and contaminate groundwater?
Air pollution
Land pollution
Water pollution
Noise pollution
4. Which gas is primarily responsible for the greenhouse effect?
Oxygen (O2)
Methane (CH4)
Hydrogen (H2)
Nitrogen (N2)
5. Which type of pollution is caused by excessive noise in the environment?
Light pollution
Sound pollution
Air pollution
Thermal pollution
6. What is the main source of plastic pollution in oceans?
Recycling facilities
Beachgoers
Fishing nets
Single-use plastics
7. Which of the following is NOT a common indoor air pollutant?
Radon
Carbon monoxide (CO)
Oxygen (O2)
Volatile organic compounds (VOCs)
8. What is the term for pollution that occurs when excessive nutrients in water lead to the overgrowth of algae?
Air pollution
Eutrophication
Thermal pollution
Noise pollution
9. Which of the following is a direct consequence of soil pollution?
Increased crop yields
Health problems in humans and animals
Reduced water usage
Improved soil fertility
10. How can individuals help reduce air pollution?
Drive fuel-efficient vehicles
Increase industrial emissions
Use disposable plastics
Burn waste in open areas1: 7R
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