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Why did Stalin restrain scientific progress in Russia and what affects did that have?
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For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea
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Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
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Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20āc. what is the molar mass of this gas?
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Why did Stalin restrain scientific progress in Russia and what affects did that have?...
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