The earliest of civilizations were based around river valleys. This allowed them to irrigate fresh water to their crops allowing for better farming and therefore, bigger and better civilizations.
I am pretty sure that this question belongs in the maths section not the geography section.
Anyways, the answer is simply to find.
First make sure the units are the same.
Secondly, subtract the first sphere number by the second.
The answer is 35 cubic in.
Hope I helped!!! :)
None of these is a major city in the United States.
Skokie, Illinois
Del City, Oklahoma
Harbin, PRC
Pittsford, New York
Hobart, Indiana
Kfar Tapuach, Israel
Stafford, Texas
Armagh, Pennsylvania
Dinwiddie, Virginia
Flora, Illinois
Olathe, Kansas
Mexico City, DF, Mexico
A
the built environment has an impact on the natural environment