This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Its called so because of its reddish appearance looks so basically due to the rusted martian rocks.
1 5 1
Because it appears in bright red colour due to the presence of "Iron" in it. When it becomes oxidised by the help of vapour or CO2 that abundant there, the surface at that place changes to orange-reddish colour.
2 5 2