Where Does Rain Come From?
Rain comes from clouds. There is always some moisture in the air. It evaporates from lakes and oceans. The water floats in the air as invisible vapor until the air...
Read MoreRain comes from clouds. There is always some moisture in the air. It evaporates from lakes and oceans. The water floats in the air as invisible vapor until the air...
Read MoreHow Salty Is the Ocean? In general, the salinity (saltiness) of the ocean is 3.5 percent by volume. A gallon of seawater contains about a quarter of a pound of salt....
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