What explains why most black americans consistently categorized themselves as "black," even though the census bureau estimates that approximately 75 percent of blacks have a multiracial ancestry?

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.

These two countries developed a strong trading relationship during the time of the renaissance. name them?

The reign of terror describes which period during the french revolution? a. when napoleon led a coup d'etat and seized power b. when the republic executed thousands of citizens c. when france was still a monarchy under king louis xvi d. when other european kingdoms attacked france