When social psychologists define a social group as a collection of interdependent people, they mean that?

Rite three to five sentences describing your view of the supreme court's "separate but equal" principle in the plessy v. ferguson decision.

What would happen if people from different races were seperated today

The red arrow shows the direction that wind from the south pole would travel if earth were not spinning. the wind's destination is at point a. because earth is spinning in the direction shown by the blue arrow, the coriolis effect will cause the wind to terminate closest to which point?