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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