Complete the definitions using the words in the box. Survive, extinct, green, countryside, litter, endangered, fumes, pollution, farmland.

1. If you ..., you continue to exist in spite if difficulties.
2. If a species is ..., there is a possibility that it could disappear.
3. The ... is made up of the natural areas outside towns and cities.
4. Cars produce ..., which are gases that damage the environment.
5. If you are ..., you care about the environment and try to help protect it.
6. The areas where plants are grown and animals are raised for food are known as ... .
7. If an animal becomes ..., it disappears forever from the world.
8. Chemicals that damage the environment are known generally as ... .
9.Rubbish that people drop in the streets is called ... .