The yellow-red stains that occur on some rock surfaces are the result of ________ which is a form of ________ weathering.
A) hydration; physical
B) hydration; chemical
C) solution; chemical
D) oxidation; physical
E) oxidation; chemical

Question

Quizplus · Accepted Answer

The yellow-red stains on rocks are typically due to oxidation, which is a chemical weathering process where minerals react with oxygen, often forming iron oxides that give the characteristic color.

The Yellow-Red Stains That Occur on Some Rock Surfaces Are