The ocean, which makes up over 70% of our planet's surface and contains 97% of its water, is also our planet's biggest environment.
The Pacific Ocean, which covers more than 60 million square miles, is the biggest ocean on Earth.
The world's smallest and shallowest ocean is the Arctic Ocean.
Compared to the Pacific Ocean, the Atlantic Ocean has saltier water because the Atlantic is smaller, evaporates more so it contains more salt.
The world's most hot ocean is the Indian Ocean. The temperature there is 73 degrees Fahrenheit on average.
The world's smallest and shallowest ocean is the Arctic Ocean, its territory is only approximately 5.4 million square miles.