Air pollution

Air pollution causes all of the following, except

• holes in the ozone layer

• increased particles in the air

• acid rain

• healthy air to breath

• smog

Natural causes of air pollution include all of the following

• forest fires

• dust

• volcanic ash

• wind

• pollen

A radioactive gas that can build up in homes.

• uranium

• helium

• oxygen

• radon

Exposure to too much radon gas can cause

• lung cancer

• sun burn

• blindness

• acne

Radon is usually found in this location in your home.

• attic

• basement

• bathroom

• kitchen

How do humans cause air pollution?

• plowing of fields

• burning fossil fuels (coal, oil)

• using solar power

• driving electric cars

What is the main cause of air pollution?

• plowing fields and releasing dust

• using solar power

• burning fossil fuels

• using water power

Climate change caused by extra carbon dioxide in the air that causes heat to get trapped in the atmosphere is called

• global warming

• photosynthesis

• smog

Gases released from power plants mix with water vapor in the sky to make ________________.

• smog

• acid rain

• global warming

• particulate matter

A mixture of smoke, fog and chemicals in the air is known as ________.

• oxygen

• radiation

• smog