Human Impact on the Environment

Question 1

Freshwater can be renewed, but environmentalists consider it nonrenewable. Why is there a contradiction in classification?

Revolt · Accepted Answer

Freshwater is easily polluted or depleted before it can be replaced.

Question 2

Scientists predict that we will eventually use up all available fossil fuels. Which list includes only fossil fuels?

Revolt · Accepted Answer

natural gas, coal, and oil

Question 3

Which gases contribute to the greenhouse effect?

Revolt · Accepted Answer

carbon dioxide and methane

Question 4

Which is a renewable resource?

Revolt · Accepted Answer

wood

Question 5

As the human population grows, what happens to our natural-resource requirements?

Revolt · Accepted Answer

They increase.

Question 6

What are sustainable use practices?

Revolt · Accepted Answer

the managed consumption of natural resources to prevent their depletion or environmental destruction

Question 7

Which water source may become polluted as it travels over land?

Revolt · Accepted Answer

runoff

Question 8

Which describes the greenhouse effect?

Revolt · Accepted Answer

a natural process

Question 9

Which is a consequence of global warming?

Revolt · Accepted Answer

rising sea levels

Question 10

Which results from an increase in the greenhouse effect?

Revolt · Accepted Answer

global warming

Human Impact on the Environment Answers