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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, 22.06.2019 03:50
According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out
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Biology, 22.06.2019 08:20
Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups
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Which process transfers heat from inside earth to its surface? convection currents in mantle pullin...
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