Although there are few natural and mineral resources in the northeast, can be found in the state of pennsylvania.
a. copper
c. coal
b. silver
d. oil

Which year held a congressional election and a presidential election

All of the following occurred due to the invention of the railroad except

Plz answer ! find the alps. what countries and country borders intersect this major mountain range? which borders seem to be defined by the edges of the mountains? which borders seem to be defined by the edges of the mountains? which borders cut across the mountains?