What occurs when more than one wave travels through the same medium at the same time

Of those who attended the philadelphia convention, which of the following traits would be least likely to be found? a. many were highly educatedb. all were menc. many were from the urban centersd. many came from the western frontiers

Which leader told the israelite people that god would lead them to a “promised land” if they obeyed god faithfully?

The success of the civil rights movement of the 1950s largely bypassed ?