Review on Pollution/Resources

_____________________ is the contamination of air, land, and water.

• Conservation

• Ecology

• Pollution

Pollution occurs when people release, dump, leak, spill, or ______________ the environment around us.

• litter

• preserve

• save

The illegal dumping or littering of waste onto the land is called __________ pollution.

• air

• land

• water

The release of smoke and harmful gases into the air is called _________ pollution.

• air

• water

• land

The leaking or spilling of chemicals or raw sewage into a body of water is ________ pollution.

• air

• water

• land

Exhaust fumes released from cars, trucks, and buses are an example of ________ pollution.

• water

• land

• air

Sludge run off from factories and industries is an example of _______ pollution.

• air

• land

• water

Look at the photo. This is an example of _____ pollution.

• water

• air

• land

Where is pollution found on the earth?
 
 
  

• only on the land 

• only in the water 

• on land, in the air, and in the water 

What is a renewable resource?
 
 
  

•  one that can be replaced quickly 

• one that is man-made

• one that comes from the sun