Correct Answer: C

Rationale: The Pacific Ocean is the largest and deepest ocean on Earth, covering more than 63 million square miles (165 million square kilometers), which is about one-third of the planet’s surface. It extends from the Arctic Ocean in the north to the Southern Ocean in the south, bordered by Asia, Australia, and the Americas. The Pacific contains the Mariana Trench, the deepest natural point on Earth, reaching approximately 11,034 meters (36,201 feet) below sea level. It plays a vital role in regulating the global climate system, supporting rich marine biodiversity, and facilitating international trade routes.

Correct Answer:

Rationale:

Correct Answer:

Rationale:

Correct Answer:

Rationale:

Correct Answer:

Rationale: