Pacific ocean is the largest and deepest ocean in the world.
It extends from the north Arctic Ocean to the south Southern Ocean and is bounded in the west by the continents of Asia and Australia and in the east by the Americas.
The Indian Ocean is the 3rd largest ocean in the world.
The Arctic Ocean is the smallest and shallowest ocean in the world.
The Atlantic ocean is the 2nd largest ocean in the world.
The Atlantic ocean is in the shape of S and has the busiest Trade route.