Identify a true statement about carbonaceous chondrites.
A) They contain significant amounts of helium.
B) They contain abundant volatile compounds.
C) They have been heated many times since their formation.
D) They are the most-altered remains of the solar nebula.
Question 2
Identify a true statement about meteors.
A) They are mainly composed of frozen water.
B) They are mainly composed of volatile compounds.
C) They make huge craters when they hit Earth's surface.
D) They burst into incandescent vapor before reaching Earth's surface.
Identify the structures shown below by filling in the blanks.
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