I think it’s the last one. good luck!
Answer:
1
In what form can we see water in the atmosphere?
In the atmosphere, water exists as a gas (water vapor from evaporation), as a liquid (droplets of rain and liquid water that coats solid particles), and as a solid (snow and ice).
2
gas or liguid
3
snow and ice.
Explanation:
Combine useful and relevant info
B and D refer to a point that would've been made earlier in the sentence, and the final point (getting out is good) as not been made before.
C sounds like something is strange or peculiar, and getting out is something this person is trying to encourage, so C wouldn't make sense either.
Though A sounds a bit awkward and formal, it makes the most sense.