1- how white supremacy effected African Americans?

As our current atmosphere formed, the concentrations of various atmospheric gases fluctuated. match each gas with the explanation that best describes how its proportion changed during the evolution of the atmosphere.

If a college student broke into a rival school in the neighboring town and damaged property in one of the computer labs, the case will most likely be heard by a?

Ball is tossed up in the air at its peak, it stops before beginning to fall.the ball at its peak has