If There Is Water on Mars Today, Where Is It

question 40

Essay

If there is water on Mars today, where is it likely to be? Name two separate pieces of evidence we have that Mars once had flowing water on its surface and how this evidence was obtained.

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Definitions:

Cold

A common viral infection affecting the upper respiratory tract, particularly the nose.

Uvea

The middle layer of the eyeball, comprising the iris, ciliary body, and choroid, which is rich in blood vessels.

Vascular Layer

Also known as the uvea, it's a layer in the eye comprising the iris, ciliary body, and choroid, involved in providing nutrients to the eye.

Miotic

Referring to substances or activities that cause the pupil of the eye to constrict.