Natural resources

2. Living organisms That help in breaking down of rocks into soil.
6. precious stone consisting of a clear and colourless crystalline form of pure carbon, the hardest naturally occurring substance
8. the chemical element of atomic number 6
9. natural movement of air
11. the act of breathing
13. the process of turning from liquid into vapour
14. water which collects as droplets on a cold surface when humid air is in contact with it
15. About 71 percentage Off Earth surface.
16. a grey crystalline allotropic form of carbon which occurs as a mineral in some rocks and can be made from coke. It is used as a solid lubricant, in pencils

1. processing of raw materials and manufacture of goods in factories.
3. Black or brown rock that is used as fuel.
4. after millions of years body of organism decay to form fossil fuels open burnig of fossil fuels release carbon dioxide.
5. the process in which atmospheric carbon dioxide is incorporated into plants.
7. the chemical element of atomic number 7
10. the natural process that warms the earth
12. the exhalation of water vapour through the stomata