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UPSC CSE - GS

Practice

Physical Geography

Nature of Physical Geography

Quick practice

Question 1 of 5

Consider the following statements about the salinity of seawater:

I. Salinity is defined as the mass of dissolved salts in a given mass of seawater.

II. Sodium and chloride ions make up over 90% of the dissolved salts in seawater.

III. Rainwater is the primary source of salts in the ocean through the weathering of rocks.


Which of the statements given above is/are correct?

A

I, II and III

B

I and II only

C

II and III only

D

I only

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