I am pretty sure its <span>the western edge of Pennsylvania, where the border was undefined.
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Answer:
Advancement of science and mathematics
Explanation:
Security and prosperity reigned during the early years of the Abbasid rule. Many fields of physics, arithmetic, and medicine have made significant progress. All through the kingdom, universities and institutions of higher learning were established. Arabic architecture and art rose to greater heights, allowing the civilization to prosper.
Answer:
Explanation:
These people are called demographers, and their study is called demography.
Nearly every american city struggled to pay its bills in the 1970s because of the continuing process of sub-urbanization.
hope this helps, God bless!
