Which of these characteristics of carbonaceous chondrites is unusual compared with other meteorites?
A) Carbonaceous chondrites never show Widmanstätten patterns.
B) Carbonaceous chondrites contain water-a sure sign that they have never melted.
C) Carbonaceous chondrites show a fusion crust-a sure sign of short-lived, rapid heating.
D) Carbonaceous chondrites contain rocky material-a sure sign that they come from a differentiated asteroid.
Correct Answer:
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A)
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