The ocean is blue because water absorbs colors in the red part of the light spectrum. Like a filter, this leaves behind colors in the blue part of the light spectrum for us to see.
20 Bluest Waters In the World
Why is the Ocean Blue ?
Fish Glow Fluorescent Red in the Deep, Blue Sea · Frontiers for Young Minds
Why Is The Ocean Blue?, Rayleigh Scattering
If water is clear, why is the ocean blue?
Light in the Ocean /ExploringOurFluidEarth
Why Is the Ocean Blue?
The Ocean Blue - Wikipedia
The ocean? It feels like a good time to avoid it. - The Washington Post
Why is the Ocean Blue ?
The ocean - why is the sea blue?
Why Is The Water So Blue In The Whitsundays? - Sailing Whitsundays
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Giants of the Sea Part 1 American Museum of Natural History
Why are Ocean Currents Important?
