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The reasonwhy all the solar energy falling on the earth can’

2022-10-25阅读(87)

(1)【◆题库问题◆】:[单选,材料题] The reasonwhy all the solar energy falling on the earth can’t be utilized is that ______.根据以下内容,回答下面的题目。The energy which the sun radiates goes inevery direction, and only a minute part of it falls on