Anonymous asked in Science & MathematicsEarth Sciences & Geology · 1 decade ago

A pearl forms around a grain of sand. What other natural phenomena need something else to form themselves arou

3 Answers

  • 1 decade ago
    Favorite Answer

    coral reefs....

    they form themselves around the previous or the dead skeletons of coral reefs...

  • zelin
    Lv 4
    1 decade ago


  • Gene
    Lv 7
    1 decade ago

    rain and snowflakes

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