The enviroment

6. The global ecological system integrating all living things.
7. The weather conditions prevailing in an area in general or over a long period.
9. This happens when the environment is contaminated, or dirtied.
10. The transfer of heat by the circulation or movement of the heated parts of a liquid or gas.
11. A visible mass of condensed watery vapour floating in the atmosphere,
13. The natural home or environment of an animal, plant, or other organism.
14. Water released from clouds in the form of rain.
16. A clear liquid covering most of the Earth's surface
17. A specific environment that's home to living things.

1. A colourless, odourless gas produced by burning carbon and organic compounds
2. Process used by plants and other organisms to convert light into energy.
3. coal, or natural gas, derived from the accumulated remains of ancient plants and animals
4. A form of life composed of mutually interdependent parts that maintain various vital processes.
5. A type of salt.
8. A community of interacting organisms.
12. A solid part of the earth's surface.
15. It has a tide the rises and falls.