Why is Mars red?
A)Dust storms on the planet have blasted the planet so fiercely that the rocks have reddened.
B)The iron in the surface rocks has been oxidized over time.
C)Mercuric oxide is abundant and has a red tint.
D)Sulfuric acid rain etched a reddish color into iron-rich surface rocks.
E)The ancient volcanoes poured out vast plains of molten sulfur, much as on Io, which has nowsolidified and preserved the reddish color.

Question

Quizplus · Accepted Answer

The iron in the surface rocks has been oxidized over time, giving Mars its reddish appearance. This process is similar to how rust forms on Earth when iron is exposed to oxygen and moisture. The iron in the surface rocks on Mars has been oxidized over time, resulting in the reddish color.

Why Is Mars Red