ü total capacity is about 1 billion 370 million km
ü 94% of hydrosphere
ü There are 73 from 110 chemical elements in its waters.
ü includes oceans, seas, gulfs and channels. There are four oceans.
The Pacific Ocean
The Pacific is the largest and the deepest of all, its total area is greater than that of all the dry land
The Atlantic Ocean
The Atlantic Ocean stretches from the Arctic Ocean downward to the shores of Antarctica. This makes it the same size from north to south as the Pacific Ocean. However, from east to west, the Atlantic Ocean is only about half as wide as the Pacific.
The Indian Ocean
The Indian Ocean is only slightly smaller than the Atlantic. The Indian Ocean lies between Africa on the west, Australia on the east, Asia on the north, and Antarctica on the south. 90% of this ocean lies to the south of the Equator.