Question

fossil fuels such as coal, petroleum and natural gas are main sources of .............energy

Answer 1

Answer:

primary mark as brainlist if you get the answer and follow

Answer 2

$\huge\mathrm{Answer}$

Non - renewable

$\huge\mathrm{Notes ⭐}$

➡ Conventional sources of energy are also known as non renewable energy

➡ Conventional sources of energy are those which have been used by men for a long time and still being used abundantly

➡ These include coal , petroleum , natural gas and hydel power

➡ Except for hydel power these sources of energy are non removable cause pollution and are costly and then renewable sources of energy