I think its A. But im not really sure
A historian using the thinking skill of primary source analysis might try to "get in the mindset" of the writer or speaker of the source in question, in order to gain more insight into their life and environment.
. because they exported so much wheat and grains
The Middle Colonies comprised of colonies from New York, Pennsylvania, Delaware, and New Jersey. The colonies had fertile soils and produced a huge amount of wheat and grains. They were able to provide food for their own people and export
C because the rest of them are not valid
radius r = 21.9944228 m Diameter = 44 (rounded to the nearest tenth)
height h = 5 m
volume V = 7598.8 m3
lateral surface area L = 690.97517 m2
top surface area T = 1519.76001 m2
base surface area B = 1519.76001 m2
total surface area A = 3730.49518 m2