Tick the correct answer.
(a) The process by which water continually changes its form and circulates between oceans, atmosphere and land
(i) Water cycle (ii) Tides (iii) Ocean currents.
(b) Generally the warm ocean currents originate near
(i) Poles (ii) Equator (iii) None of these.
(c) The rhythmic rise and fall of ocean water twice in a day is called
(i) Tide (ii) Ocean current (iii) Wave
