Environment

3. a large amount of water covering an area that is usually dry.
5. the air, water and land in or on which people, animals and plants live.
7. Many species of plants and animals are in danger of/threatened with extinction (= being destroyed so that they no longer exist)
9. a sudden violent movement of the Earth's surface, sometimes causing great damage.
10. a long period when there is little or no rain.

1. the general weather conditions usually found in a particular place.
2. an extremely large wave caused by movement of the earth under the sea, often caused by an earthquake (= when the Earth shakes)
4. the cutting down of trees in a large area; the destruction of forests by people.
6. a mountain with a large circular hole at the top through which lava (= hot liquid rock), gases, steam and dust are or have been forced out.
8. unwanted matter or material of any type, often that which is left after useful substances or parts have been removed.