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ARC-Easy / VASoL_2007_5_30 / A student made observations of four rock samples. Which of these observations…

Problem

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question

A student made observations of four rock samples. Which of these observations most likely describes a sedimentary rock?

choices

  • Sample 1 has bands of light and dark crystals.
  • Sample 2 has pink, gray, and white crystals grown together.
  • Sample 3 is made up of one huge, pale pink crystal.
  • Sample 4 is made up of layers of sand grains cemented together.

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