Is San Diego and San Fransisco megalopolis?

Yes.

http://en.wikipedia.org/wiki/Megalopolis_(city_type)#The_United_States_and_Canada.5B1.5D.5B8.5D

thanks so much

You're welcome.

NO SAN DIEGO AND SAN FRANSICO ARE NOT AT ALLMEGALOPOLIS.

No, San Diego and San Francisco are not considered a megalopolis. A megalopolis is a term used to describe a large, continuous urban region consisting of several cities and their surrounding suburban areas. These cities are typically connected by transportation infrastructure and have a high level of economic integration. Examples of megalopolises include the Northeast Megalopolis in the United States, which includes cities like New York City, Boston, and Philadelphia.

Although San Diego and San Francisco are both major cities in California, they are located about 500 miles apart and are not part of the same continuous urban region. They are separate metropolitan areas with their own distinct economies, geographies, and cultural attributes.