2. 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?

1. 1 and 2 only

2. 1, 2 and 3

3. 1 and 4

4. 2, 3 and 4

Correct Answer :

1, 2 and 3