What do trees give out that people and animals need to live?

• Oxygen

• Carbon dioxide

• Hydrogen

• Nitrogen

What is land pollution caused by?

• Saving water

• Planting trees

• Using chemicals

• Throwing waste properly

What can trees do to help the air?

• Make it hot

• Keep it fresh and clean

• Make it dirty

• Block the sun

What is one way to reduce pollution?

• Use more packaging

• Turn off lights when not in use

• Drive cars everywhere

• Throw waste on the ground

What does recycling mean?

• Changing something to use again

• Buying new things

• Using things again

• Throwing things away

What is air pollution?

• Making the air clean

• Adding smoke and dust to the air

• Using less energy

• Planting more trees

What can water pollution affect?

• Only plants

• Rain, rivers, and lakes

• Only the land

• Only the air

What should you not throw down the sink?

• Water

• Chemicals

• Soap

• Food

What do trees help prevent?

• Tornadoes

• Earthquakes

• Droughts

• Floods

What is one way to reuse items?

• Burning them

• Throwing them away

• Using both sides of paper

• Buying new ones