What additional evidence did William Smith utilize to make his correlations?
A) fossils in different layers in the same mine
B) fossils in the same layers in different mines
C) chemical composition of coal seams in different mines
D) chemical compositions of rock layers in the same mine
Answer: B
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Fill in the blank(s) with correct word
There was a mass extinction at the end of the Jurassic Period. Indicate whether the statement is true or false
Formation of Basin and Range mountains is a result of
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Answer the following statement true (T) or false (F)