Question

Ocean thermal energy is due to

(a) energy stored by waves in the ocean

(b) temperature difference at different levels in the ocean

(c) pressure difference at different levels in the ocean

(d) tides arising out in the ocean.​

Answer 1

Answer is (b) temperature difference at different levels in the ocean

$\large\bf\red{Explanation✓}$

Energy from the surface is used to boil volatile liquid. Vapours from these are utilized to turn the turbine.