महासागरों में गहराई के साथ घनत्व में तीव्र परिवर्तन के क्षेत्र को किस रूप में जाना जाता है?

In which geographical area is the world's largest accumulation of marine plastic debris, known as the Great Pacific Garbage Patch, located?

Consider the following pairs: Oceanic Trench — Ocean I. Mariana Trench — Pacific Ocean II. Tonga Trench — Indian Ocean III. Peru-Chile Trench — Pacific Ocean IV. Puerto Rico Trench — Atlantic Ocean How many of the above pairs are incorrectly matched?

Consider the following cold ocean currents: I. Benguela Current II. Falkland Current III. Labrador Current IV. Oyashio Current How many of the above are eastern boundary currents commonly associated with the development of coastal deserts?

With reference to the Atlantic Meridional Overturning Circulation (AMOC), consider the following statements: I. It contributes to the relatively mild climate of Western Europe by transporting warm surface waters northward in the Atlantic. II. It involves the movement of warm waters from lower latitudes across the equator towards the North Atlantic. III. Its functioning is governed primarily by the Coriolis force alone, rather than by temperature- and salinity-driven density differences. Which of the statements given above are correct?

Which is the deepest and steepest oceanic trench in the world?

In which ocean is the world's largest continental shelf located?

Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Polar waters lack a well-developed thermocline. Reason (R): Ocean water temperatures in polar regions are not strongly stratified because they receive little solar radiation. Select the correct answer from the options given below:

Match List I (Ocean Current) with List II (Location) and select the correct answer using the codes given below: List I (Ocean Current): 1. Agulhas Current 2. Irminger Current 3. Oyashio Current 4. Humboldt Current List II (Location): a. North Pacific Ocean b. South Pacific Ocean c. North Atlantic Ocean d. South Indian Ocean