Which statement best describes the igneous crustal bedrock below locations A, B, C, and D?
A) The bedrock below D is mostly basalt; below A, B, and C, the bedrock is mostly granite.
B) The bedrock below D is mostly granite; below A, B, and C, the bedrock is mostly basalt.
C) The bedrock below A, B, C, and D is mostly basalt.
D) The bedrock below A, B, C, and D is mostly granite.
