Biology
Under the ideal environmental conditions bacterial cells divided at the rate of division per twenty

Hours
Days
Second
Minutes

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Biology
Plants are killed in winter by frost

because there is no transpiration
because respiration ceases at such low temperature
because no photosynthesis takes place at such low temperature
because of desiccation and mechanical damage to the tissues

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Biology
Kwashiorkor disease in children is caused by

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

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