Petroleum
1) is a natural resource formed from organisms living in the sea.

2)Petroleum, a natural resource formed from organisms living in the sea, is not a dark and oily liquid mixture.
  

3)Petroleum and natural gas are formed from compressed

4)Petroleum and natural gas are lighter than water.
  

5)Deposits of petroleum and natural gas occur above that of water.
  

6)The process of separating its many constituents is called.

7) is used as a fuel for stoves and lamps and also in jet aircraft.

8)Diesel is used as a fuel for heavy motor vehicles and electric generators.
  

9) wax is used in ointments, candles and Vaseline.

10)Burning petroleum releases carbon dioxide into the air, which contributes to


  


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