17. How many people live in Africa? (In 2008)

What is the role of communication within groups of people with different backgrounds?

What two emerging factors after the war of 1812 contributed to the development of sctionalism

Identify a true statement about media multiplexity.the choice of medium is primarily important in determining the strength of relationships.weak ties are uncomplicated and do not need many channels to sustain them.tie strength plays an insignificant role in determining the number of media employed by pairs.strong ties require less media than weak ties to orchestrate their varied and interdependent connection.