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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 14:30
What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk
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Biology, 22.06.2019 00:00
How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000
Answers: 1
Biology, 22.06.2019 10:30
What is the main reason that attitudes are more often revealed in spoken rather than written language? a. in writing, we try to put the "best face" on what we write. b. we speak far more often than we write. c. in writing, we can more easily conceal our attitudes. d. in spoken language, we are often careless in our use of words.
Answers: 2
Physics, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
History, 09.09.2020 23:01
English, 09.09.2020 23:01
English, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
English, 09.09.2020 23:01
English, 09.09.2020 23:01
English, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
History, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
English, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01
Mathematics, 09.09.2020 23:01