Consider the following statements regarding ocean currents: 1. Difference in water density is the main cause for the formation of ocean currents. 2. Density of water depends on temperature, salinity and pressure. 3. As a rule, ocean waters move from areas of higher density to areas of lower density as a current. Which of the statements given above is/are correct?

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?

Consider the following statements : 1. In the tropical zone, the western sections of the oceans are warmer than the eastern sections owing to the influence of trade winds. 2. In the temperate zone, w…

Consider the following statements: 1. Ocean currents are the slow-surface movement of water in the ocean. 2. Ocean currents assist in maintaining the Earth's heat balance. 3. Ocean currents are set i…

La Nina is suspected to have caused recent floods in Australia. How is La Nina different from EI Nino? 1. La Nina is characterized by unusually cold ocean tempearature in the equatorial Indian Ocean…

With reference to the 'Indian Ocean', which of the following statements is/are correct? 1. It was called by the Ancient Greeks as Erythraean Sea. 2. It is spread on the either side of equator.