Consider the following statements:

1. Near the equator the ocean water is about 8 cm higher in level than in the middle latitudes.

2. Cold currents are usually found on the east coast of the continents in the low and middle latitudes.

3. The Coriolis force causes the water to move to the left in the northern hemisphere and to the right in the southern hemisphere.

4. Major ocean currents are greatly influenced by the stresses exerted by the prevailing winds and Coriolis force.

Which of the statements given above is/are correct?