Q. 35.0( 3 Votes )

Productivity is t A. ii,

B. iii,

C. ii and iv,

D. i and iii

Answer :

Productivity is the amount of biological mass produced in a given ecosystem. It expressed in units of mass per unit volume) per unit time. Here in the given options, the correct units which are expressed are g–2 yr–1 and (kcal m–2) yr–1. The rest of the given options are incorrect.

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