Refractor telescopes use .
A. mirrors
B. lenses
C. Both mirrors and lenses
D...
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Chemistry, 22.06.2019 14:50
How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.
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Write balanced nuclear equations for the formation of five elements whose atomic number is between helium (2) and iron (26):
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You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?
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