Pollution

Which is NOT one of the three types of pollution?

• air
• water
• fire

________ pollution is when waste, chemicals, or other particles cause a body of water to become harmful to the fish and animals that need the water to survive.

• air
• water
• land

Humans contribute to water pollution through sewage, use of pesticides and fertilizers, and silt from construction sites. 

• true
• false

__________ pollution is when unwanted chemicals, gasses, and particles enter the air and the atmosphere causing harm to animals and damaging the natural cycles of the Earth.

• air
• water
• land

Eruptions of volcanoes, dust storms, and forest fires contribute to __________ pollution.

• air
• water
• land

Air pollution from factories, power plants, cars, airplanes, chemicals, fumes from spray cans, and methane gas from landfills is caused by ___________. 

• humans
• animals
• nature
• minerals

__________ pollution is anything that damages or contaminates the land.

• air
• water
• land

_________ means to make something smaller.

• reduce
• reuse
• recycle

__________ means to use something again.

• reduce
• reuse
• recycle

__________ means to use something old to make something new.

• reduce
• reuse
• recycle