Our Environment

3. animals or plants that may soon not exist because there are very few now alive
5. the system that keeps a building warm
6. to cover something or someone with paper, cloth, etc
9. the natural environment of an animal or plant
10. a large piece of cloth put on a bed to lie on or under
11. a small area of land that has a wall or fence around it
13. a thick liquid that comes from under the Earth's surface that is used as a fuel
14. how good or bad something is

1. to make someone more likely to do something, or make something more likely to happen
2. If a dead person, animal, or plant decomposes, it decays and is gradually destroyed
3. the act of sending gas, heat, light, etc. out into the air
4. to stop holding someone or something
7. an attempt to do something
8. a basic substance that is used in chemistry or produced by chemistry
12. to legally become the parents of someone else's child