1.

Question : Productivity is the rate of production of biomass expressed in terms ofi) ("kcal" m^3)yr^(-1)ii) g^(-2) yr^(-1) iii) g^(-1) yr^(-1) iv) ("kcal " m^(-2))yr^(-1)

Answer»

ii
iii
ii and iv
i and iii

Answer :C


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