Environment

5. the group of people who officially control a country
7. fighting, using soldiers and weapons, between two or more countries, or two or more groups inside a country
10. illegal activities
12. a light, artificial substance that can be made into different shapes when it is soft and is used in a lot of different ways
13. the air, land, and water where people, animals, and plants live
14. an official rule in a country

1. to hurt someone or damage something
2. things that you throw away because you do not want them
3. a place where waste is buried in the ground
4. the number of people living in a particular area
6. the process of teaching and learning in a school or college
8. damage caused to water, air, etc by harmful substances or waste
9. an area where there is no light from the sun and so it is darker and not as hot
11. to put used paper, glass, plastic, etc through a process so that it can be used again
15. to think about problems or unpleasant things that might happen in a way that makes you feel anxious