10 class vocabulary Nature

1...... ,which is caused by exhaust fumes from cars, is very bad for your health.

2. ............ occurs when pollution in the air is absorbed by water droplets in clouds.

3. Everyone should learn to .................... energy.

4. Animal species that no longer exist are called ....................

5. Scientists say that before we ........... oil, we will have moved to alternative energy.

6. The number of species on the endangered list is ....................

7. 200 years ago there was a great ................. in Ireland - many people died because of the potato crop failure.

8. Do you think we should use fewer ........ to create energy

9. Are peple in your city complaining about ............. dumped everywhere?

10. We shouldn`t ........... all our resources - we should think about the future