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Question : Biochar is ............ (i) a kind of char coal used as a soil amendment (ii) a potent way of sequestring cash (iii)made from biomass via pyrolysis (iv) a notable solid, rich in carbon.

Answer»

(a) (i) and (III) is correct
(b) (II) and (iv) is correct
(c) (i) and (ii) is correct
(d)all the above is correct

Solution : all the above is correct


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