Hydrosphere Flashcards
1
Q
Of the water on the planet , how much is oceanic?
A
97%
2
Q
How much do oceans cover the earths planet?
A
72%
3
Q
What are oceans divided up into ?
A
Principal oceans and smaller seas.
4
Q
How much has the oceans been explored?
A
5%
5
Q
Why does oceanic water taste salty ?
A
Contains dissolved salts.
These salts allow it to stay liquid below 0 degrees.
Alkaline pH8.14
6
Q
Has pH fell ? Why ?
A
Fell from 8.25 in the last 50 years.
Seems destined to fall due to increase in atmosphere co2.
