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Where Did Earth’s Water Come From?
WATER you doing? It’s time for a new Wonder!
Where Did Earth’s Water Come From?
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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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How Do You Clean Up an Oil Spill?
OIL bet you will love today’s Wonder!
How Do You Clean Up an Oil Spill?
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What Do Gardens on Rooftops in Cities Look Like?
Today in Wonderopolis dig in to learn what makes some rooftops green.
What Do Gardens on Rooftops in Cities Look Like?