[in the hills the atmosphe...] It takes much longer to cook food in the hills than in the plains, because

For Competitive Exams

It takes much longer to cook food in the hills than in the plains, because

in the hills the atmospheric pressure is lower than that in the plains and therefore water boils at a temperature lower than 100^oC causing an increase in cooking time

due to low atmospheric pressure on the hills, the water boils at a temperature higher than 100^oC and therefore water takes longer to boil

in the hills the atmospheric density is low and therefore a lot of heat is lost to the atmosphere

in the hills the humidity is high and therefore a lot of heat is absorbed by the atmosphere leaving very little heat for cooking

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