Why do meteorites on Earth's surface have glazed and blackened outer crusts?
A. Meteorites are commonly burned during forest fires.
B. The outer surface formed as it melted from the heat of friction during their meteoric phase.
C. The outer crust forms as the meteorites chemically weather.
D. The outer layer was burned and formed by solar winds in space.
E. Bacteria, drawn to the organic compounds, form the outer crust as they die.
Answer: B
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