Answer:
Clorofluorocarbonos
Explanation:
es decir, los compuestos que contienen cloro, flúor, carbono y posiblemente hidrógeno, se han utilizado ampliamente en las naciones industrializadas en las últimas décadas principalmente como propulsores en latas de aerosol, como refrigerantes y como agentes de expansión, por ejemplo, para producir espuma de poliuretano .
Espero que esto te ayude :)
Answer:
Yes scientist will need to develop multiple treatments to control symptoms.
Explanation:
because if they only do one treatment it may not work for everyone because some people could be allergic to that one treatment that's why there are multiple treatments.
Answer:
this is called reflect action
In my opinion
Mass extinctions happen because of climate change, asteroid impacts, massive volcanic eruptions or a combination of these causes. One famous mass extinction event is the one that lead to the extinction of dinosaurs, 65 million years ago.
I hope it’s help
