Consider the following factors: 1. Rotation of the Earth 2. Air pressure and wind 3. Density of ocean water 4. Revolution of the Earth Which of the above factors influence the ocean currents?
A1 and 2 only
B1, 2 and 3
C1 and 4
D2, 3 and 4
Answer & Solution
Correct answer: B. 1, 2 and 3
UPSC CSE Prelims 2012 (GS-I, Set A), Q.45. Answer key: B (coaching consensus; UPSC did not publish an official 2012 AK separately on upsc.gov.in).
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