1.1.2 Differentiate between a micro and macro mineral element,
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Explanation:

Macro minerals are present at larger level in the animal body or required in large amount in the diet. Such as calcium, chlorine, magnesium, potassium, sulphur, and sulfur.Micro minerals are often referred to as trace minerals i.e; they are present at low levels in the body and required in smaller amounts in the animal diet. Such as zinc, iron, iodine, cobalt, copper, flurion, etc.

The correct answer is "atomic weight".