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Why Is Ocean Water Salty?
Today’s Wonder might be the saltiest you’ve ever SEA-n!
Why Is Ocean Water Salty?
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Where Is Lake Baikal?
Join us in Wonderopolis today for a tour of one of the largest lakes in the world!
Where Is Lake Baikal?
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Why Are Some Lakes Pink?
You might want to dip a toe into today’s Wonder of the Day before you make the plunge!
Why Are Some Lakes Pink?