EHS Lesson 3 Review

Which three forms can particulate matter come in?

• fumes

• droplets

• gases

• liquid

Ground level ozone comes from __________

• the sun

• the ozone layer

• droplets

• paints

Sulfur oxide naturally comes from _______.

• vehicles

• power plants

• volcanoes

• forests

What is one effect of ground level ozone?

• brain disease

• heart disease

• respiratory disease

What is acid rain an effect of?

• particulate matter

• ground level ozone

• sulfur oxide

Air pollution is when a harmful substance enters the...

• lakes, rivers and oceans

• atmosphere

• noise

• ground