The Nile river and Huang are found at the location sites mentioned below.
The Huang or yellow River which is the second longest river in China originates from Bayan Har Mountains in western China, flows through nine provinces in central china and empties into the sea of Bohai near Dongying city.
Nile River in northern Africa is among the world's longest waterways.It rises from the south equator and flows in northward Africa and drain into Mediterranean sea. It's length is about 4132 miles.
Its basin includes Burundi, Tanzania , South Sudan , Uganda, Ethiopia, Rwanda, Democratic republic of Congo and some cultivated part of Egypt.
The study of structure and behavior of the physical and natural world through observation and experiments
C. the invention of the printing press and the improvements in literacy <span />
The gilded age allowed america to grow rapidly in industrialization and economic wealth, as well as urbanization and the construction of the transcontinental railroad (steel, oil, etc). the progressive era developed higher social, constitutional, and political levels (big business, monopolies, trusts, political machines). hope this helped!