Geography

Mauritius is an island nation located in the Indian Ocean, east of Madagascar. Therefore, the correct answer is Indian Ocean.

The Kerch Strait connects the Black Sea and the Sea of Azov, making option D correct. The other straits listed connect different bodies of water unrelated to these seas.

France and Spain are separated by the Pyrenees mountain range, which forms a natural border between the two countries. The other options are either located elsewhere or incorrect.

The Arctic Ocean has the widest continental shelf compared to other oceans due to its extensive shallow areas covered by continental shelves, especially around Siberia and the Canadian Arctic Archipelago.

The equatorial region receives rainfall throughout the year due to its location near the equator, where warm temperatures cause consistent convectional rainfall. Other regions like Mediterranean, Arctic, and Tundra have distinct dry or cold seasons with limited rainfall.

The Karakoram mountain range spans the borders of India, Pakistan, and China, making option D (all of these) the correct answer.

Duncan Strait is located between the islands of the Andaman and Nicobar Islands in the Indian Ocean, making the Indian Ocean the correct answer.

The Biafo Glacier, one of the longest glaciers outside the polar regions, is located in Pakistan's Karakoram mountain range. This makes option D the correct answer.

The Damodar River is historically known as 'The Sorrow of Bengal' due to its frequent and devastating floods in the Bengal region, causing widespread damage and hardship.

Chile has the longest coastline along the Pacific Ocean, stretching over 6,400 km, making option D the correct answer.