Which of the following descriptions of tides are correctly matched? A. Mixed Tides : Tides having variations in height B. Diurnal Tides : One high and one low tide each day C. Semi-diurnal Tides : Two high and two low tides each day Select the correct answer from the options given below:

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?