Answer:
Conventional
Non-convention
(i)
They are the energy resources in use since ages.
They
are in use recently only.
(ii)
They make use of non- renewable sources of energy.
They
make use of renewable sources of energy.
(iii)
They are expensive.
They
are cheaper.
(iv)
They can cause pollution; e.g., coal, petroleum, natural gas, electricity,
etc.
No
pollution is caused by them; e.g., solar, wind, tidal, geothermal, biogas,
etc.
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