Answers

2015-04-28T01:13:29+05:30
So that the explorers get enough vitamins and minerals such as iron, carbohydrates etc. to stay healthy enough in North or South Pole as there is no vegetation in these places.
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2015-04-28T13:26:33+05:30
Due to extreme cold in north and south pole there is no growth of plants.in order to get proper nutrients to their body they carry green vegetables and fruit juices with them.so that they do not suffer with malnutrition.
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