English for students of Physics_Unit 3

Chia sẻ: Xu Ka | Ngày: | Loại File: PDF | Số trang:18

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English for students of Physics_Unit 3

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Chemical reactions occur continuously in the atmosphere, in factories, in vehicles, in the environment, and in our bodies. In a chemical reaction, one or more kinds of matter is changed into a new kind-or several new kinds-of matter. A few common chemical reactions are shown here. Life as we know it could not exist without these processes: plants could not photosynthesize, cars could not move, pudding could not thicken, muscles could not burn energy, glue could not stick, and fire could not burn. ...

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