Discussion :: World Geography
- 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) |
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Answer : Option D
Explanation :
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).
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