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TED-ED|Why do whales sing - Stephanie Sardelis

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Communicating underwater is challenging. Light and odors don't travel well, but sound moves about four times faster in water than in air - which means marine mammals often use sounds to communicate

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Underwater
Know
Sing
Knowledge
Evocative
Mammal
Song
Build
Light
Development
Teach
Who
Character
Why
Sound
About
How
Vocalization
Where
Pulses
Whistles
What
Whales
Travel
When
Communicating
Learn

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