World Geography MCQs

123. The ocean water is saline due to

A. evaporation of its surface
B. volume of fresh water added by rainfall
C. salts are already present in sea water
D. both (a) and (b)
✅ The correct answer is option D.
Salt in the ocean comes from rocks on land. The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air. This causes the rainwater to be slightly acidic due to carbonic acid (which forms from carbon dioxide and water).

127. The middle latitude extends between how many degrees?

A. 231/2 North to 321/2 South
B. 231/2 and 66 in both the hemispheres
C. 66 North to 66 South
D. North pole and South pole
✅ The correct answer is option B.
The middle latitudes are found between 30 degrees N/S and 60 degrees N/S. And the high latitudes are found between 60 degrees N/S and the poles (90 degrees N/S).

129. The lowest point, on land, in the world is

A. Death valley, USA
B. Caspian sea, Russia
C. Dead sea, Jordan/Israel
D. Lake Eyre, Australia
✅ The correct answer is option C.
Dozens of land areas of the Earth sit below current sea level. The lowest land area is the shoreline of the Dead Sea Depression in Israel, Jordan and Syria. It is approximately 413 meters or 1355 feet below sea level.
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