The principle of cross-cutting relationships which states that a geologic feature that cuts across another feature must be younger than the feature it cuts is important because ________
A) it showed that igneous rocks were younger than sedimentary rocks
B) it provided a way to recognize if rocks had been deformed
C) it provided a tool for sorting out the relative timing of various geologic events
D) it allowed geologists to correlate rock units over large distances
C
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Which district in the North American Manufacturing Belt has a number of its cities located along the Erie Canal?
A) the central New York and Mohawk River valley B) Western Great Lakes, running from Detroit to Chicago C) Pittsburgh-Cleveland-Erie D) Middle Atlantic, including metropolitan New York E) southern New England, especially Boston
What religion was the first monotheistic religion of Southwest Asia and North Africa?
A) Christianity B) Baha'i C) Islam D) Judaism E) Buddhism
Where does earths crust reach its maximum thickness.
What will be an ideal response?
What created Earth's moon?
a. The initial big bang expansion event b. The formation of a new star c. Ejection of rocky mantle material from Earth after a collision with a smaller planet d. The collision of two older moons e. Ejection of rocky mantle material following an explosive volcanic event on Earth