Question

the mars rover mission
1 are we alone in the universe? it is perhaps the biggest question humans have posed. in our efforts to answer it, we have developed complex telescopes, which have let us discover distant planets that may be suitable for extraterrestrial life. but while telescopes monitor mysterious planets in the far reaches of the galaxy, the mars rovers have been studying the possibility of life right in earths neighborhood.
2 a mars rover is a robotic explorer, a vehicle with wheels
based on the text, how are the findings from curiositys soil samples different from curiositys photographs?
curiositys soil samples suggest that mars never had much flowing water.
curiositys soil samples include traces of microbial life.
curiositys soil samples include rainwater, which requires a thick atmosphere.
curiositys soil samples show the presence of carbon compounds.

Explanation:

The question asks about the difference between soil - sample findings and photographs from the Mars rover Curiosity. Photographs can show the surface appearance, while soil samples can provide chemical and biological information. Among the options, the presence of carbon compounds in soil samples is a type of chemical information that cannot be directly obtained from photographs.

Answer:

Curiosity's soil samples show the presence of carbon compounds.