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Energy makes things happen

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轉寄 列印
第1級人氣樹(0)
人氣指樹
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Did you know that energy comes from the food you eat? From the sun and wind? From fuel and heat?You get energy every time you eat. You transfer energy to other things every time you play baseball. In this book, you can find out all the ways you and everyone on earth need energy to make things happen.

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