The Environment Review: Question Preview (ID: 17996)

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What is the main cause of air pollution?
a) nuclear power plants b) mold spores c) burning of fossil fuels d) cars
What is a mixture of smoke, fog and chemicals called?
a) Smog b) Acid Rain c) Radon d) Ozone
What is the layer of gas high in the atmosphere that protects the Earth from the sun's harmful ultraviolet radiation?
a) Smog b) Ozone c) Radon d) Carbon Dioxide
Which gas released by the burning of fossil fuels is the main cause of global warming?
a) Ozone b) Radon c) Smog d) Carbon Dioxide
Which of the following is the main cause of acid rain?
a) Nuclear power plants b) Coal burning power plants c) The ozone layer d) Radon
What percent of water on earth is available as freshwater?
a) 3% b) 15 % c) 25% d) 75%
Which of the following is the world's main source of drinking water?
a) glaciers b) lakes c) oceans d) groundwater
What is chemicals, soil or other substances that are washed off the land into nearby bodies of water called?
a) glaciers b) groundwater c) runoff d) permafrost
Which of the following is a nonrenewable resource?
a) Water b) Plants c) Sunlight d) Coal
Which of the following is not a good way to help stop air pollution.
a) Carpool b) Unplug your cell phone chargers c) Ride a bike d) Leave the lights on all day
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