What is the diameter of the earth at poles and equator

At the equator: 7,926 miles

At the poles: 7,900 miles

Explanation:

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tres kg o 6.6 pounds

when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.