Human Impact on the Environment

Question 1

Why are invasive species dangerous to the environment?

Revolt · Accepted Answer

They threaten biodiversity.

Question 2

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

Revolt · Accepted Answer

runoff

Question 3

Which describes the greenhouse effect?

Revolt · Accepted Answer

a natural process

Question 4

Which is a nonrenewable resource?

Revolt · Accepted Answer

coal

Question 5

A new highly nutritious crop is going to be planted in an area where it has never been planted before. Which is the most likely outcome of such an event?

Revolt · Accepted Answer

negative as it threatens local biodiversity

Question 6

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 7

Which is a renewable resource?

Revolt · Accepted Answer

wood

Question 8

Which results from an increase in the greenhouse effect?

Revolt · Accepted Answer

global warming

Question 9

Which gases contribute to the greenhouse effect?

Revolt · Accepted Answer

carbon dioxide and methane

Question 10

Which is a sustainable practice?

Revolt · Accepted Answer

operating wind farms

Human Impact on the Environment Answers

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