Roger poured water over a pile of sand. Some of the sand washed away. This process is similar to which of the following?
A B C D
The eruption of a volcano The erosion of the walls of a canyon The uplifting of mountain ranges The forming of dunes or mounds in a desert
Question: Roger poured water over a pile of sand. Some of the sand washed away. This process is similar to which of the following?
(A) The eruption of a volcano
(B) The erosion of the walls of a canyon
(C) The uplifting of mountain ranges
(D) The forming of dunes or mounds in a desert

Answer: (B) The erosion of the walls of a canyon
Answer: (A) The eruption of a volcano
Question: Roger poured water over a pile of sand. Some of the sand washed away. This process is similar to which of the following?
(A) The eruption of a volcano
(B) The erosion of the walls of a canyon
(C) The uplifting of mountain ranges
(D) The forming of dunes or mounds in a desert
Answer: (B) The erosion of the walls of a canyon