The Indian Ocean is the third-largest of the world's five oceanic divisions, covering 70,560,000 km 2 (27,240,000 sq mi) or approximately 20% of the water area of Earth's surface. [4] It is …
2025年1月15日 · Indian Ocean, body of salt water covering about one-fifth of the world ocean area. It is the smallest, youngest, and physically most complex of the world’s three major …