Hi, what do you want to do?
Tutor2u
Tutor2 U: Economies of Scope
This site is an explanation of several factors that impact mass production. Primarily, the concept of economies of scope is explored.
University of Massachusetts
University of Mass.: Freshwater Mussel Reproduction
This site, which is provided for by the University of Massachusets, gives a very good example of a typical bivalve reproductive cycle.
Georgia Humanities Council and the University of Georgia Press.
New Georgia Encyclopedia: History and Archaeology: Eli Whitney in Georgia
Although Eli Whitney was born in Massachusetts, it was in Georgia that he invented the cotton gin in 1793.