ashleyalmonte2005 ashleyalmonte2005

12-10-2021
Physics

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Which statement best describes the air in Earth's atmosphere?
- a pure substance made of one kind of gas
- a solution of gases that are physically mixed
- a compound made of two or more kinds of gases
- a mixture of two gases that are chemically combined

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12-10-2021

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Please Tell me About this question if you know que is transformer is used in rectifier to step up or step down voltage?

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