Biology
Kwashiorkor disease in children is caused by

Sufficient carbohydrates and fats but deficient proteins in diet
Sufficient fats but deficient vitamins in diet
Sufficient vitamins but deficient fats in diet
Sufficient carbohydrates but less fats in diet

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Biology
Ozone hole refers to

hole in ozone layer
increase in the thickness of ozone layer in troposphere
decrease in thickness of ozone layer in stratosphere
decrease in the ozone layer in troposphere

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