The Exciting World of Marine Biology

How many oceans are there on Earth?

A. 3 B. 5 C. 7 D. 9

Answer:

C. 7

Marine biology is a fascinating field that explores the wonders of the ocean and its inhabitants. The world of marine biology is vast and covers various aspects of life in the oceans. One interesting fact is that there are 7 oceans on Earth: the Arctic Ocean, the Atlantic Ocean, the Indian Ocean, the Pacific Ocean, and the Southern Ocean.