Biology, 05.07.2020 03:01 ckfuentes6272
can someone actually help me please The crystals have been dissolved in water. Notice the copper(II) sulphate is the blue solution. Sodium hydroxide is the clear solution what should i write for description of them ?? HELPPP
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Biology, 21.06.2019 14:30
Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided
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Biology, 21.06.2019 21:10
Using the periodic table, determine which material is most likely a good conductor
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can someone actually help me please The crystals have been dissolved in water. Notice the copper(II)...
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