Why are astronomers looking for evidence of ancient water on mars?

I am pretty sure they are looking for ancient water on mars, because they are trying to see if mars could be a habitable zone for humans to live

But the truth is, that right now, well... if humans were to live on mars, they would only last on that planet for possibly 40 or 80 seconds unless they have on a suit.

oxidation

explanation:

answer

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.