Which of the following is the best definition of 'Tides' ?

A. A powerful movement of the ocean which proceed constantly in a definite direction

B. A great circulatory movement of sea water caused by difference in density of sea water

C. A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth

D. A wind and pressure system having a low pressure in centre and circular wind motion

Answer: Option C

Solution(By Examveda Team)

Tides are periodic rises and falls of large bodies of water. A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth.