Green Choices - Save the Environment & Life

1. It is weak or unstable, and seems unlikely to last long or be successful.
4. A method of getting rid of very large amounts of rubbish by burying it in a large deep hole.
8. You are learning as much as possible in a short time just before you take the examination.
10. The death of all its remaining living members.
11. Happens earlier than usual or earlier than people expect.
12. It goes below the surface of some water or another liquid.
13. Chemicals which farmers put on their crops to kill harmful insects.
14. When things such as dead plants or animals decompose, or when something decomposes them, they change chemically and begin to decay.
15. To reduce it.

2. A colorless gas that is the lightest and commonest element in the universe.
3. Pieces from something that has been destroyed or pieces of rubbish or unwanted material that are spread around.
5. Rubbish that is left lying around outside.
6. A mixture of decayed plants and vegetable waste which is added to the soil to help plants grow.
7. A substance such as solid animal waste or a chemical mixture that you spread on the ground in order to make plants grow more successfully.
9. A chemical that is used to destroy plants, especially weeds.