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.
The Nile flows generally north, from the highlands of east-central Africa into the Mediterranean Sea. Rivers (all of them) flow downhill. So the other answer is that the Nile flows downhill, which in the case of the Nile, happens to be from South to North - generally. It does meander along the way, so parts flow east, west, and any other direction - as long as it is downhill. Views.