Answer :

madhumithasw
because may be that the present available resource is not enough to satisfy the needs or it may not be enough for future or the new sources of energy may be cheep and easily available .
KJB811217

Answer:

it is so because the non-renewable sources of the fossil fuels are limited in quantity if they are being used by the humans in the recklessness way when they will finish up and one day will come when there will be no noble source will be left on the earth for us and for the future generation also we are looking for the traditional source of energy that can be used in the place of non renewable sources of energy of the fossil fuels so that the non inertial sources of energy that is the fossil fuels can be preserved for the future generation

Other Questions