Which one of the following is correct?

  1. A. Pyroxene is commonly found in meteorites
  2. B. Amphiboles form about 20% of the Earth's crust
  3. C. Quartz is soluble in water
  4. D. The word 'sedimentary' is derived from the Latin word kelimentum

Correct Answer: A. Pyroxene is commonly found in meteorites

Explanation

Pyroxene is a common mineral found in both terrestrial rocks and meteorites. Amphibole forms only about 5-7% of the crust, quartz is insoluble, and 'sedimentary' comes from the Latin 'sedimentum'.

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