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Why the sea is salty
Jun 23, 2024 • 00:01:56
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Nora and Finn save the coral reef
May 26, 2024 • 00:02:27
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What Is A Tornado
May 26, 2024 • 00:01:24
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What Is A Tsunami
May 26, 2024 • 00:02:31
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Why Leaves Turn Colour in Autumn
May 26, 2024 • 00:03:46
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How A Volcano Works
May 26, 2024 • 00:02:10
