• Question: Where did water come from? (William, 6)

    Asked by anon-326134 on 15 May 2022.
    • Photo: John Grasmeder

      John Grasmeder answered on 15 May 2022:

      Many scientists think water on earth came from outer space. Lots of large rocks called asteroids, which contain water, fell onto the earth. Other scientists also think that some of the rocks that the earth was made from contained water when the earth was formed.

    • Photo: Martina Conti

      Martina Conti answered on 16 May 2022:

      Thank you William, John already gave you a great answer

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