The event horizon of a black hole is the point at which

When does a metropolitan area become a megalopolis?

Why are people more likely to marry individuals with social and cultural backgrounds very similar to their own? a. parents and other family members always exert pressure to marry within the group. b. people spend a great deal of time alone, and therefore can have few opportunities for meeting people. c. people develop irrational fears of out-group members and are scared to date them. d. people have greater access to individuals like themselves.

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.