Question

state three criteria of essentiality of an element

Answer 1

Hey friend,

The three criteria of essentiality of an element are:
1)The element must be essential for normal growth and reproduction, which cannot proceed without it.
2)The requirement of the element must be specific and cannot be replaced by another element.
3)The requirement must be direct and not the result of any indirect effect.

Hope it helped you:)

Answer 2

Explanation:

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