Test Prep on Pollution_(WK2.Oct.2023)

Which of the following are considered pollutants?

• noise

• chemicals

• Anything that makes the environment less suitable for living things

• all of the above

Natural events, such as volcanic eruptions and forest fires, produce pollutants.

• True

• False

Pollutants are released by a ____________ and absorbed by a ____________.

• source, sink

• producer, consumer

• consumer, producer

• sink, source

Air pollution causes all of the following except _______________.

• ozone depletion

• smog

• acid deposition

• Air pollution causes all of the above

The ______________ is found in the stratosphere and protects the earth from the sun’s

harmful UV light.

• CFC

• greenhouse effect

• smog layer

• ozone layer

Ozone is formed when ______________.

• UV light splits an oxygen molecule.

• Two oxygen atoms combine.

• Chlorine combines with an oxygen atom.

• Oxygen atom previously split by UV light combines with an oxygen molecule

Scientists predict that the ozone hole _________________.

• A. is growing in size

• B. disappears each year due to seasonal wind patterns

• C. is becoming smaller

• D. A and B

The chemicals most responsible for depleting the ozone layer are called

________________.

• A. chlorofluorocarbons

• B. CFCs

• C. carbon dioxide and sulfur dioxide

• D. A and B

Some aerosol sprays contain chemicals that deplete the ozone layer.

• True

• False

_____ may occur when certain gases in the atmosphere, such as carbon

dioxide and methane trap heat and raise the atmosphere’s temperature.

• The Green Revolution

• Acid deposition

• Photochemical smog

• The greenhouse effect