Environment

2. A large hole in the ground where waste from people’s homes/from industry is buried
5. To be gradually destroyed as a result of a natural process of change
7. The process by which the surface of land or rock is gradually damaged by water, wind etc and begins to disappear
8. Long period of time when there is little/no rain and crops die
11. Relating to the Sun, or coming from the Sun
12. To change waste materials such as newspapers and bottles so that they can be used again

1. The type of weather that a country/region has
3. The air round the Earth/round another planet
4. smoke/gas that has an unpleasant smell, especially harmful smoke/gas
6. Polluted air that is a mixture of smoke and fog A thick cloud that forms close to the ground or to water and is difficult to see through
9. Poisonous and harmful to people, animals, or the environment
10. The failure to use something valuable in an effective way, so that it does not produce the benefits that it could