AnSwErS!!!

1.-Are coal,oil,natural gas or radiactive elements,because once they are removed from the ground and used.
2.-Solar energy wind energy,Biomass energy...
Because the other hand quickly replaces itself and is usually avaible in a never-
ending supply.
3.-Some advantages are with the help of special collectors,we can capture some of this energy and put it to use in our homes and business.
4.-With natural gas,crude oil and coal deposits took millions of years to form.