Switch to new thesaurus. materialization. natural action, natural process, action, activity - a process existing in or produced by nature (rather than by the intent of human beings); the action of natural forces; volcanic activity.
The Arctic Ocean is the smallest of the world's five oceans (after the Pacific Ocean, Atlantic Ocean, Indian Ocean, and the recently delimited Southern Ocean).
The Caspian Sea is the largest by both area and volume. Although it is about 1/3 as salty as the Ocean so it is still considered a sea, not a lake by some. Lake Baikal in Russia is the deepest lake in the world and is the largest FRESH WATER lake in the world (by volume). So really, both answers are right. Source(s): http://en.wikipedia.org/wiki/Lake_Baikal http://en.wikipedia.org/wiki/Caspian_sea.