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The lowest point on the surface of the land of the Earth is?
A. The Dead Sea
B. The Caspian Sea
C. Death Valley
D. The Mariana Trench
Correct Answer Is Option = The Dead Sea
Notes / Explanation
The lowest point on the surface of the land of the Earth is the Dead Sea, whose shores lie at the lowest elevation of any land on the Earth, far below the level of the sea. The Dead Sea is a body of salt water located in the region of western Asia, lying in a deep valley, and its surface and its shores lie at an elevation far below the level of the oceans, lower than any other land surface on the Earth, so that its shores are the lowest point on the land. The Dead Sea is famous for a number of remarkable features. It is extremely salty, much saltier than the ordinary seas and oceans, so salty that very little can live in its waters, which is the reason for its name, the Dead Sea, since its extreme saltiness makes it unable to support the fish and other life found in ordinary seas. Because of its extreme saltiness, the water of the Dead Sea is very dense, and this has the remarkable effect that a person can float very easily on its surface, floating high in the water, which is one of the well-known features of the Dead Sea. The extreme saltiness is caused by the fact that water flows into the Dead Sea but does not flow out, so that as the water evaporates in the hot, dry climate, the salts it contains are left behind and become concentrated over time. The Dead Sea and its region are also of interest for their history and for the minerals found there. It should be noted that the lowest point on the surface of the land, the shore of the Dead Sea, is different from the lowest point of the surface of the Earth overall, which lies far beneath the sea, in the deepest part of the ocean. The study of the extremes of the Earth's surface, including its lowest points, is a part of the geography of the world. For PPSC and other competitive examinations, the key points to remember are that the lowest point on the surface of the land of the Earth is the Dead Sea, whose shores lie far below the level of the oceans, that the Dead Sea is extremely salty, much saltier than ordinary seas, so that very little can live in it, which is the reason for its name, that its extreme saltiness makes its water very dense, so that a person can float very easily on its surface, and that this lowest point on the land is different from the lowest point of the Earth's surface overall, which lies deep beneath the ocean.
