Pollution - documentary (2017)

The ozone layer protects us from

• UV rays

• CFCs

• Increased atmospheric heat

Which of the following is a source of air pollution?

• Asthma

• Factories

• Drinking water

This picture shows people walking through a highly-polluted city in China. From what type of pollution are they protecting themselves based on what they are wearing?

• air pollution

• noise pollution

• land pollution

To help our environment, you should

• recycle, remember, and reduce.

• reduce, reuse, and recycle.

• reduce, repair, and recycle.

Which is NOT one of the three types of pollution?

• air

• water

• fire