(ppm) parts per million. Hope this helps:)
The depth in the ocean is measured by sounding using echo-sounders. Nowadays satellites are also used for this purpose.
In science, volume is always measured with liters.
They are measured by how far above the ocean they are. The ocean is called "sea level". Sea level is 0.
Its salinity.
HellO!
realate the high tempertures measured at the mid-ocean to the formation of basalt at the ridges
It varies depending on what part of the ocean it is measured. Approximately 96.5% of seawater is water. The rest is dissolved salts. See related link for more information.
The water got in the ocean by the volcano's exploding and the vapor got in the ocean and that created the ocean water.
Scientist use the device "Sonar."
The coldest water in the ocean is the bottom of the ocean.
salt water from the ocean.
An ocean mountain is a mountain that is completely underwater. If measured from sea level, it would have a negative height.