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

Question

Quizplus · Accepted Answer

The evidence of possible life on Mars was discovered in a meteorite that originated on Mars, known as ALH84001. This meteorite was found in Antarctica in 1984 and later studies suggested it might contain fossilized microbial life from Mars.

Possible Evidence That Life Once Existed on Mars Has Been