ESS
Grade-7
Easy

Question

What is salinity?

  1. The total amount of sediments present in the water.    
  2. The total amount of impurities present in the water.    
  3. The total amount of salt present in the water.    
  4. The total amount of heat present in the water.    

hintHint:

Salinity refers to the total amount of salt present in the water.   

The correct answer is: The total amount of salt present in the water.


    • Salinity refers to the total amount of salt in the water.
    • It is referred to as the concentration of salt in water as well as in soil.
    • The salt concentration in seawater is 33-37 grams per liter.

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