Earth Science

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Seismic waves move faster through which of the following media?
a.) water
b.) steel
c.) oxygen
d.) oil
Please answer my study guide is due Monday and the teacher hasn't gone over this I looked through my notes and everything. It would really help if you answer...Please answer my other ones!

  • Earth Science -

    A. Water

  • Earth Science -

    I don't believe water is correct. Here is a site that tells you that the speed of sound is greater in water than in air and greater in iron than in water. Steel is mostly iron.
    http://en.wikipedia.org/wiki/Speed_of_sound

  • Earth Science -

    thankyou
    those are the only choices so I am going with water

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