I missed a lot of school days due to problems
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Answers: 1
Biology, 21.06.2019 14:00, ashelygarcia4321
Heredity has an impact on personal health, but environmental factors are important as well. select the best answer from the choices provided
Answers: 3
Biology, 21.06.2019 14:30, Franklyn3220
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
Answers: 1
Biology, 22.06.2019 02:30, soliseric879
Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?
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Mathematics, 18.03.2020 20:30