The primary cause of the formation of waves in the ocean is winds.
What are waves?
Waves is a kind of disturbance motion from a stable standard motion in the forward and backward direction from the mean position.
We have seen waves on the surface of oceans and these waves are formed by the affect of the motion of winds of the atmosphere on the surface of ocean, which disturbs the stable surface of water and generates waves. Gravitational pull of moon causes the tidal effect and Tsunami is occurs by the earthquake.
Hence, option (D) is correct i.e. winds.
To know more about waves, visit the below link:
https://brainly.com/question/301944
