Question

B.
Fill in the blanks :
1.
Fossil fuels are______,______
and_______.
2.
Process of separation of different constituents from petroleum is called_______
3.
Least polluting fuel for vehicles is_______
4.
Petroleum and natural gas were formed from dead_______​

Answer 1

Answer:

3 is CNG 4 ka organisms keep this if correct so give me like