Experts plz tell the answer

Dear student,
(i) Diver B will experience more pressure as compared to diver A because as deep you will go down the river more amount of volume per unit area act on the diver and resulting in a total increase in the mass over the diver but the area remains constant hence cause an increase in pressure.
(ii) The density of seawater is more as compared to river water due to presence of various salts as well as isotopes of water which are heavier hence for same depth, the same volume of water but varies in density which results in more pressure on the diver in the sea as compared to river water.

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