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Chemistry, 23.06.2019 00:00
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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An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
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The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity
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