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Devise a way to separate sand from a mixture of charcoal, sand, sugar, and water
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Compare and contrast physical changes with chemical changes.
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Consider the story you just read. all but one of the choices below indicate that something is living.
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How many grams of ammonia would be produced by the decomposition of 16.93 mlof hydrazine? (the density of hydrazine is 1.021g/ml)
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Devise a way to separate sand from a mixture of charcoal, sand, sugar, and water...
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