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Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
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An experimental procedure requires a 10 ml of acid to be dissolved
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Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation
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Chemistry, 22.06.2019 23:00
If two identical atoms are bonded,what kind of molecule is formed
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4Al(s) + 302(g) -> 2Al2O3(s)
How many oxygen atoms are in the product when 4 atoms of solid
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