A lot of things can pollute air, water, and land.

• true

• false

Pollution harms humans, animals, and plants, too.

• true

• false

We don't need clean water to be used today and in the future.

• true

• false

We pollute our water when we throw our trash in lakes and rivers.

• true

• false

Some factories throw trash and dirty water in the sea.

• true

• false

People should not protect water.

• true

• false

People, who work in factories, should make the water they throw away clean before it is thrown into rivers and seas.

• true

• false

Pollution is to make anything clean.

• true

• false