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3 votes
4) Clouds usually form when

O A) air temperature reaches the dewpoint
B) evaporation has warmed the surrounding air
C) relative humidity is 0%
D) condensation nuclei have been removed from the air

User Garajo
by
8.1k points

1 Answer

7 votes
B evaporation has warmed the surrounding air
User Alex Ilyaev
by
7.9k points
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