General Structure and Writing Style. The function of a research design is to ensure that the evidence obtained enables you to effectively address the research problem logically and as unambiguously as possible.
ALLEGHENY RIVER HISTORY. Location: A river rising in north-central Pennsylvania and flowing about 523 km (325 mi) northwest into New York then southwest into Pennsylvania again, where it joins the Monongahela River at Pittsburgh to form the Ohio River.
This is the Ohio River, which flows from the confluence of the Allegheny and Monongahela rivers in Pennsylvania, then forms the borders between Ohio, Indiana and Illinois (to â¦the north) and West Virginia and Kentucky (to the south). It enters the Mississippi at Cairo, Illinois, across the river from the state of Missouri. Answered.