![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
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
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 23:30
If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
The smallest parts of these that retain their original properties are called
Answers: 1
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:00
This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient
Answers: 1
You know the right answer?
Function of carbohydrates...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 04:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 04:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 01.12.2020 04:00
![question](/tpl/images/cats/istoriya.png)
History, 01.12.2020 04:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 01.12.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 04:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 04:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 01.12.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 04:00
![question](/tpl/images/cats/mat.png)
Mathematics, 01.12.2020 04:00
![question](/tpl/images/cats/istoriya.png)