…………… is expressed as parts per thousand (PPT) or %°.

Of all the minerals dissolved in sea water Sodium Chloride or common salt constitutes.

The line joining the points in the ocean having the same degree of salinity.

A line joining points on the sea bed at an equal vertical distance beneath the surface.

Oceanic deeps so far discovered are

Identify the odd one.

Which is the largest ocean Among the following?

Which ocean is considered as the extension of three important oceans?

Find out the cold current of Indian ocean.

Find the odd one out.