Environmental Science Quiz

Which of the following is a result of clear-cutting?

• an increase in old-growth forests

• less erosion and flooding

• less diverse ecosystems

• more habitats for certain animals

Which of the following issues makes it necessary to manage water resources responsibly?

• pollution

• migration

• erosion

• clear-cutting

Why is it important to protect wetlands?

• They reverse damage to the environment by cleaning water.

• They provide a buffer to nonnative plant and animal species.

• They provide timber for the lumber industry.

• They hold valuable water supplies and fisheries.

Which of the following is NOT an effect of acid rain?

• a visible haze of chemicals

• waters that are unable to support life

• corrosion of stone and metal buildings

• soil pollution

Which of the following human activities contributes directly to smog?

• pollution in groundwater

• driving a car

• eutrophication

• runoff from agricultural chemicals

What is the source of thermal pollution?

• automobile exhaust

• heated industrial wastewater

• agricultural runoff

• illegal dumping of waste

What is the final stage of eutrophication of a body of water?

• depleted oxygen

• suffocation of fish

• increased algae growth

• dry land

The United States is working to reduce air pollution by supporting renewable sources of energy for power, such as

• hydroelectricity

• oil

• coal

• natural gas

What was the purpose of the Clean Water Act?

• to monitor the environmental effects of NAFTA

• to protect the Great Lakes from asbestos dumping

• to restore the quality of water throughout the United States

• to address water pollution along the Rio Grande

How did California solve its water shortage problem?

• by lessening its dependence on fossil fuels

• by building aqueducts

• by rationing water and power

• by constructing wastewater treatment plants