Environmental Protection

What protects the Earth from harmful radiation?

• Captain America

• ozone layer

• the SHIELD

The average temperature is rising because of...effect

• blueflat

• yellowhut

• greenhouse

Toxic gases are

• harmful

• needed

• nothing special

CO² is short for:

• carbon monoxide

• carbohydrate

• carbon dioxide

Endangered animals

• are dangerous for humans

• are in danger because of human activity

• can be hunted freely