Why Are Carbonaceous Chondrites Thought to Be Original Material That

question 174

Multiple Choice

Why are carbonaceous chondrites thought to be original material that formed in the early solar nebula?

• A) Carbonaceous chondrites show a Widmanstätten pattern, which indicates slow condensation from gaseous material.
• B) The minerals of a carbonaceous chondrite contain up to 20% water, which would have evaporated away if the chondrite had been strongly heated.
• C) Carbonaceous chondrites consist mostly of carbon, which was the dominant substance condensing in the outer solar nebula.
• D) Carbonaceous chondrites consist almost entirely of ice, which would have sublimed away by now if this were not the first time the chondrite was passing close to the Sun.

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