Question

NCERT VIII - Sciences

Fill in the blanks:

(a) Fossil fuels are ________, ________and _________.

Answer 1

NATURALGAS  COAL& PETROLIUM

Answer 2

Fossil fuels are coal, petroleum, and natural gas.

Fossil fuel is a general term for buried flammable geologic deposits of organic materials, created from the decayed plants and died animals that have been transformed to crude oil, coal, natural gas, and heavy oils by natural exposure to heat and pressure within the earth's crust over hundreds of millions of years.