Metals
Metals are an impoetant resource but they are finite(will run out) resource.They also use energy in the extraction process which can contribute to global warming.Metals are found in the earths crust usually as compounds withoxygen or sulphur.Unrective metals found as elements are know as 'native'(are metals found on their own)e.g. Glod.the recivatiy metal will efect how its is exctarcted.
- Created by: Mishafarooq15
- Created on: 21-05-14 20:34
Comments
No comments have yet been made