Answer:
b warm wet air rises and punches cold dry air down causing the air to spin
Pandemics occur over a wide geographic region, potentially affecting a large population.
Answer:
La Tierra primitiva no tenía una atmósfera o agua libre. El planeta estaba demasiado caliente para que los gases y el agua se acumularan.
Explanation:
The most important acid deoxyribonucleic acid, or DNA, which carries the genetic code of any organism it, and the way that it transmits the individual characters in the life without this acid, or genetic code world would not exist :)
I hope you understand what I mean :)
The answer would be C, The rising of global temperatures, why?
Well, global warming means that the worlds temperature is rising.
So, rising global temperature is solid evidence the world is warming up.
Hope this helped! c: