Answers: 1
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 12:40, crybaby222psyc
In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%
Answers: 3
Biology, 22.06.2019 18:50, mauricestepenson791
What happens when a scientific theory is shown to be an accurate description of a phenomenon?
Answers: 2
Order the images from least developed to most developed. (20 Points!!!)
A) A, B, C, D
B) A,...
B) A,...
Mathematics, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Chemistry, 20.09.2020 15:01
English, 20.09.2020 15:01