1.

Distinguish between the following. (i) Conventional and non-conventional sources of energy (ii) Biogas and natural gas (iii) Ferrous and non-ferrous minerals (iv) Metallic and non-metallic minerals

Answer»

Distinguish
between the
following.


(i)
Conventional and non-conventional sources of energy



(ii)
Biogas and natural gas



(iii)
Ferrous and non-ferrous minerals



(iv)
Metallic and non-metallic minerals



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