Multiple Choice
Possible evidence that life once existed on Mars has been discovered.The evidence
A) Was discovered in a meteorite that originated on Mars
B) Was discovered in samples of Mars returned to Earth by a spacecraft
C) Was seen in images of the surface of Mars taken by Global Surveyor
D) Consisted of chlorophyll lines found in spectra of Mars
Correct Answer:
Verified
Correct Answer:
Verified
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Q12: The habitable zone is defined by what
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