GEOLOGY

Detailed explanation-1: -The Arctic Ocean is the smallest of the world’s five ocean basins. A polar bear walks on the frozen surface of the Arctic Ocean. The freezing environment provides a home for a diverse range of creatures. With an area of about 6.1 million square miles, the Arctic Ocean is about 1.5 times as big as the United States.

Detailed explanation-2: -Arctic Ocean Smallest and shallowest of the major oceanic areas, the shallowness being caused by the surrounding wide continental shelves (up to 1700 km wide). For much of the year the surface is covered by floating pack-ice.

Detailed explanation-3: -The Arctic Ocean is about 5.4 million square miles-about 1.5 times as big as the US-but it is the world’s smallest ocean.

Detailed explanation-4: -Although the Arctic Ocean is by far the smallest of Earth’s oceans, having only a little more than one-sixth the area of the next largest, the Indian Ocean, its area of 5, 440, 000 square miles (14, 090, 000 square km) is five times larger than that of the largest sea, the Mediterranean.