Human Impact on the Environment

Front

Where can wastes produced by agriculture, households, industry, mining, and other human activities end up?

Back

All of these choices

Front

Increase in which gas is primarily responsible for increased global warming? Options: Carbon dioxide, Water vapor, Methane, Nitric oxides

Back

Carbon dioxide

Front

What is the most dramatic result of deforestation?

Back

loss of habitat for approximately 70% of the world's species

Front

Why is coal considered a nonrenewable resource?

Back

Coal is considered a nonrenewable resource because it takes millions of years to form.

Front

Wind is a __________ energy resource.

Back

Renewable

Front

Which human activity would preserve nonrenewable resources? Options: deforestation, removing carnivores from a forest, recycling, heating homes with fossil fuels

Back

recycling

Front

Which human activity would most likely deplete nonrenewable resources?

Back

increased use of fossil fuels

Front

What causes smog?

Back

the interaction of sunlight with pollutants produced by fossil fuels

Front

Global warming has been linked to a decrease in:

• the size of the polar ice caps
• the temperature of Earth
• the rate of species extinction
• the rate of carbon dioxide production

Back

the size of the polar ice caps

Front

The thinning of the ozone layer is also known as the

Back

ozone hole