Pollution

What is pollution?

• The introduction of harmful materials into the environment

• A method of recycling waste

• A type of ecosystem

• A natural process of cleaning the environment

Which of the following is a natural pollutant?

• Plastic waste

• Volcanic ash

• Factory runoff

• Sewage

What type of pollution is caused by car exhaust?

• Land pollution

• Noise pollution

• Water pollution

• Air pollution

Which disaster at a pesticide plant caused thousands of deaths due to air pollution?

• The Fukushima disaster in Japan, 2011

• The Chernobyl disaster in Ukraine, 1986

• The Bhopal disaster in India, 1984

• The Exxon Valdez oil spill in the USA, 1989

What is the Great Pacific Garbage Patch?

• A clean water initiative

• A mythical area said to be polluted

• A recycling facility in the Pacific

• A large collection of plastic particles in the ocean

What does acid rain primarily affect?

• Urban construction

• Indoor air quality

• Desert areas

• Forests and water bodies

What is a major consequence of global warming?

• Reduction in global trade

• Rising sea levels

• Increased agricultural production

• Decreased use of fossil fuels

Which gas is a common indoor air pollutant produced by cars?

• Argon

• Helium

• Oxygen

• Carbon monoxide

What is primarily responsible for ocean acidification?

• Algal blooms

• Decreased salt levels

• Increased absorption of carbon dioxide

• Marine wildlife

What is the primary source of water pollution from agriculture?

• Fertilizers

• Clean water initiatives

• Organic farming techniques

• Aquatic sports