The answer is yes i did this before hope this helps
The northeastern coast of the US is the largest area in Canada and the United States that is densely populated with over 250 people per square mile. Boston, New York, Philadelphia and Washington are located in this area.
Hope this helps!
He surmounted Persia, Egypt, Syria, Mesopotamia, Bactria, and the Punjab; in Egypt he founded the city of Alexandria.
The answer is D.
Factor production that could be changed during particular period is called Variable Factor of Productions.
Basically, factor of productions is divided to fixed and variable factor.
FIxed factors are the one that will always stay the same no matter how many products you made. For example electricity cost, building rent, etc
The variable factors differ depend on how product you produce, such as raw material.