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Consider the following factors

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?

(a)

1 and 2 Only

(b)

1, 2 and 3

(c)

1 and 4

(d)

2, 3 and 4

Answer:

(b)

Core Books/NCERT

Explanation

Ocean currents are influenced by the Earth’s rotation (Coriolis force), air pressure and wind, and the density of ocean water (thermohaline circulation).