Vitamin a deficiency is most common damaging to which of the following populations is

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Vitamin A deficiency can cause both temporary and permanent eye damage, and may even lead to blindness. In fact, vitamin A deficiency is the world's leading cause of blindness.Vitamin is most damaging to women,preganant women and increase mortality function.

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pregnancy happens more and more

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg