Fill in the banks. (a) Fossilfuels are ________,________and _________.

1.	Fill in the banks. (a) Fossilfuels are ________,________and _________.(b) Process of separation of differentconstituents from petroleum is called _________.(c) Leastpolluting fuel for vehicles is __________.
Answer» Fill in the banks. (a) Fossil fuels are ________, ________ and _________. (b) Process of separation of different constituents from petroleum is called _________. (c) Least polluting fuel for vehicles is __________.

Fill in the banks. (a) Fossilfuels are ____,and _.(b) Process of separation of differentconstituents from petroleum is called _.(c) Leastpolluting fuel for vehicles is ______.

Answer»

Fill in the banks.

(a) Fossil
fuels are ________,
________
and _________.

(b) Process of separation of different
constituents from petroleum is called _________.