问题详情

In Paragraph 1, the author introduces the debate between Neptunism and Plutonism by
A．providing information about the backgrounds of both of the geologists involved.
B．describing how scientists studied the planet before the creation of geology.
C．explaining the differences in the formation of sedimentary, igneous, and metamorphic rocks.
D．contrasting modern geologic knowledge with that of previous centuries.请帮忙给出正确答案和分析，谢谢！