what is ENVIRONMENT?

Pollution is the of making the environment_____________

• Clean

• Happy

• Dirty

• All of these

Substance which pollutes the environment is called?

• environment

• pollutant

• Air

• all of these

The types of pollution -

• Noise pollution

• Air pollution

• Water Pollution

• All of this

We should keep our surrounding

• Neat and clean

• Dirty and messy

• Loud and noisy

• None of these

Tress release gases called___

• oxygen
• carbon dioxide
• nitrogen
• methane