/u/Playful_Lady_829's posts in /r/interesting
Colors with lower energy, such as reds, oranges and yellows, are quickly absorbed as we descend into the water column.
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This is how chemistry is taught in Chinese schools, practical work makes it more easy for students, to know about different chemicals and how they are formed.
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Dolphin behaviorists have noted that when dolphins are excited, surprised or curious, they will sometimes expel air from their blowholes, generating large, amorphous bubbles that rise quickly to the surface.
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