The energy possessed by fossil fuels such as coal and petroleum is called _____________ energy.
Renewable source of energy is :
(a) coal (b) fossil fuels
(c) natural gas (d) sun.
Which of the following is not a fossil fuel?(a) coal(b) petroleum gas(c) biogas(d) natural gas
Give one word for the energy contained in fossil fuels like coal, petroleum and natural gas
Is coal a fossil fuel? Is wood a fossil fuel?