[Avodah] Evaporation

[Liron Kopinsky]

 Bereishit 2:6 וְאֵד, יַעֲלֶה מִן-הָאָרֶץ, וְהִשְׁקָה, אֶת-כָּל-פְּנֵי
הָאֲדָמָה.
Rashi translates this as "a cloud arose from the earth and watered the face
of the land."
Does anyone know at what point humanity knew about evaporation causing
clouds?

Kol Tuv,
Liron
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