Imperfect markets are characterized by having competition for market share, high barriers to entry and exit, different products and services, and a small number of buyers and sellers. Perfect markets are theoretical and cannot exist in the real world; all real-world markets are imperfect markets.
Answer:
I don't remember much on this stuff but I think it was B
The Web is just one of the ways that information can be disseminated over the Internet
Arpanet. I think is the answer.
