Many natural rock formations change color over time. In Utah, for example, iron oxidized and formed red, orange, and yellow rock. Which of the following is the cause of this change?
A B C D
chemical weathering mechanical weathering water erosion wind erosion
Question: Many natural rock formations change color over time. In Utah, for example, iron oxidized and formed red, orange, and yellow rock. Which of the following is the cause of this change?
(A) chemical weathering
(B) mechanical weathering
(C) water erosion
(D) wind erosion

Answer: (A) chemical weathering
Answer: (C) water erosion
Question: Many natural rock formations change color over time. In Utah, for example, iron oxidized and formed red, orange, and yellow rock. Which of the following is the cause of this change?
(A) chemical weathering
(B) mechanical weathering
(C) water erosion
(D) wind erosion
Answer: (A) chemical weathering