Biology, 25.07.2019 15:00 emaleyhughes21
In rock layers, jellyfish fossil arw found lower than trilobiye fossils, and trilobites fossils are found lower than ammonite fossils. what can be determined from the information?
Answers: 1
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 05:30
Which statement describe events that occur during interphase?
Answers: 2
Biology, 22.06.2019 15:30
What are potential sources of error in marta’s experiment
Answers: 1
In rock layers, jellyfish fossil arw found lower than trilobiye fossils, and trilobites fossils are...
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