![subject](/tpl/images/cats/himiya.png)
The Montreal Protocol on Substances that Deplete the Ozone Layer was an international treaty signed in 1989 agreeing to stop production and sale of fluorocarbons -- manufactured chemicals that were very useful as coolants and propellants. It is one of the only examples of a truly universal treaty -- signed by 196 countries and the European Union! -- in reaction to a breakthrough in scientific understanding. Why are fluorocarbons bad
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 19:50
Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 23:30
Why do oxygen have a strong attractive force for electrons
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 01:00
The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide
Answers: 1
You know the right answer?
The Montreal Protocol on Substances that Deplete the Ozone Layer was an international treaty signed...
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.10.2020 23:01
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.10.2020 23:01
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 22.10.2020 23:01
![question](/tpl/images/cats/es.png)
Spanish, 22.10.2020 23:01
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)
Mathematics, 22.10.2020 23:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mir.png)
World Languages, 22.10.2020 23:01
![question](/tpl/images/cats/biologiya.png)
Biology, 22.10.2020 23:01
![question](/tpl/images/cats/en.png)
English, 22.10.2020 23:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 22.10.2020 23:01
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 22.10.2020 23:01