A young plant showing yellow leaves is likely NOT to be d...
A young plant showing yellow leaves is likely NOT to be deficient in?
calcium
magnesium
potassium
boron
Correct answer is B
Magnesium deficiency appears on older leaves first as they become yellow between the veins and around the edges.
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The part labelled IV is the ...
Mammals are capable of producing hypertonic urine mainly because of re-absorption in the ...