Q. 3 F

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Answer :

The degree of concentration of salts in the sea water is called as salinity. Generally it is expressed in terms of parts per thousand (ppt or ‰).The range of salinity varies from north to south as well as east to west.

The degree of concentration of salt in the ocean water is called salinity. As a general way to record, the amount of salt in 1,000 g of water is taken as standard. Thus, salinity is expressed in terms of ‘parts per thousand’ (ppt).

The average salinity of oceans is about 35 ppt, whereas the dead sea has a salinity of 342 ppt.

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