Water vapor is also the most important greenhouse gas in the atmosphere. Heat radiated from Earth's surface is absorbed by water vapor molecules in the lower atmosphere. ... Some of the heat returns to the Earth's surface. Thus, water vapor is a second source of warmth (in addition to sunlight) at the Earth's surface.
I'm what is this I'm not following are you asking if this is true?
They get their waters from rivers or streams
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The Great Migration was the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970.
During the early 1900s, the populations of US cities located in the South were the highest, but by 2000, these populations began to decline as people began to move to cities on the East Coast
