Which term best describes the difference in colors of the birds below?

natural selection

reproductive maturity

genetic variation

genetic drift

What was the greatest sin in American history?

The soviet union invaded czechoslovakia and reversed its economic reforms. workers in poland won higher wages after an uprising. yugoslavia parted ways with the soviet union because of political differences.

Which of the following statements describes the impact Phoenicia's purple dye had on the Mediterranean world?

Where was thanos at the end of infinity war

What American innovations contributed to the textile industry in the United States

Who was the United States representative in 1972

The result of the great come promise was a

The first civilizations of Mesoamerica did not use metal very often. when they did work with metal, what was it usually used for

What were some major wars where native americans lost lives?

With whom did the Pullman company share its profits with?