Understanding Pollution and Its Impacts

What is a major source of air pollution in urban areas?

• Chemical plants

• Motor vehicles

• Agricultural practices

• Natural fog

What are particulates less than 2.5 micrometers known as?

• Large particulates

• Fine particulates

• Coarse particulates

• Medium particulates

Which of the following is a greenhouse gas contributing to global warming?

• Methane

• Lead

• Carbon monoxide

• Sulfur dioxide

What is a consequence of acid rain on the environment?

• Increased soil fertility

• Acidification of lakes and streams

• Reduction in air pollution

• Increase in plant growth

What process results from high concentrations of nutrients in water bodies?

• Evaporation

• Photosynthesis

• Eutrophication

• Condensation

What is a common effect of oil spills on marine life?

• Improved water quality

• Enhanced coral growth

• Increased fish population

• Death of marine creatures

What is a major threat to wildlife caused by litter?

• Improved nesting sites

• Mistaking plastic for food

• Habitat creation

• Increased food supply

Which heavy metal is known for its damaging effect on human health?

• Iron

• Lead

• Copper

• Aluminum

What is a common source of noise pollution in big cities?

• Billboards

• Wind farms

• Motor vehicles

• Street lights

What does light pollution interfere with in urban areas?

• Sound levels

• Building construction

• Star visibility

• Traffic signals