Why does the ocean have waves?

NOAA Ocean Explorer: Education - Multimedia Discovery Missions, Lesson 9 - Ocean Waves

Curious Kids: why are there waves?

Why do some water bodies have WAVES while some don't? — Steemit

Why are the waves at the beach created? What for? - Quora

Exploring the Ocean. - ppt video online download

What causes ocean waves? : Ocean Exploration Facts: NOAA Ocean Exploration

Valerio Domenico Gulli on LinkedIn: #ecosystem #science #geology

Ocean Waves, Definition, Causes & Types - Lesson

Why does the ocean have waves?