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.
Amazon Basin: stream in Ecuadorâs Amazon BasinÂ© Dr. Morley Read/Shutterstock.comNumerous rivers originate in the mountains, pass through the hoyas of the Sierra, and flow either west to the Pacific coast or east to the Amazon River.