Why is it easier to swim in sea water than in river.

A. Density of sea water is higher.
B. Currents in sea water keeps the person afloat.
C. Sea water is saltish and so has an upward thrust.
D. None of these

Answer

C. Sea water is saltish and so has an upward thrust.

Submitted by: Toheed Ahmed

Leave a Reply

Your email address will not be published. Required fields are marked *

four × one =