Why did everyone say 4 oceans? there are 5.?

Question

Arctic,atlantic,pacific,southern,and indian

Answer 1

Southern ocean is not considered as an ocean

Reason:-1- It is the latest-defined ocean and not known by many people.

2:-It is not considered as an ocean by many people as it has no boundary of landmass that separates it from other oceans and it merges in the Atlantic ,Indian and Pacific ocean

Answer 2

southern ocean?

Answer 3

southern is not considered an ocean

Answer 4

right you are!!...

http://www.enchantedlearning.com/subject...

Answer 5

I guess some people don't believe there is a Southern Ocean.

Answer 6

Southern Ocean? Never heard of it.