ClassX Video Lessons

Category: Video Lessons

What if South Africa Disappeared?

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Water Purification: Why is alum added to water?

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Why do we see lightning before thunder?

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What if we stopped drinking water?

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Why do we get pimples?

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What if Moon became a Black Hole?

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Why is dry ice so dangerous?

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What if Humans painted Earth White?

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Why do we get hiccups?

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Dorothy Height

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