The Appalachian Mountains of the eastern United States and Canada contain outcrops of a lot of metamorphic rocks
These mountains are the result of a convergent plate boundary off eastern North America during the Paleozoic Era (542 to 251 million years ago). Based on this information, you could hypothesize that the metamorphic rocks in the Appalachians were formed by:
a. contact metamorphism
b. hydrothermal metamorphism
c. regional metamorphism
C
You might also like to view...
Of these four lakes, which ones are above the water table?
A) 1 and 2
B) 2 and 3
C) 3 and 4
D) 1 and 4
E) None of these are correct.
What does it mean by "reprojection"?
What will be an ideal response?
How have the forces of globalization affected the urban-industrial regions of India?
What will be an ideal response?
An air layer is sometimes put between two panes of glass to help insulate a window because air cannot transfer much heat energy by _______________
Fill in the blank(s) with correct word