physical science

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Diamonds are made

1. at the surface of earth
2. magma moving at supersonic speeds deep inside the earth
3. in river beads
4. in limestone caverns

  • physical science -

    2 is the best answer, and it is not entirely correct, but the other answers are worse.

  • physical science -

    I don't know that I like any of the answers. Here is a site to read about how diamonds are formed. http://en.wikipedia.org/wiki/Diamond

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