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A substance that consists of two are more substances that are physically combined
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What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g
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The first supersonic flight was in 1947. it was just above the speed of sound. which altitude would you expect captain yeager to have used for his flight
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A substance that consists of two are more substances that are physically combined...
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