The same species of squirrel lives on either side of the Grand Canyon. The squirrels on the west side of the canyon have adapted to have white fur, while the squirrels on the east side of the canyon have black fur. Which of the following has most likely led to the differences in fur adaptations? A. differences in squirrel reproductive rates
B. higher mutation rates on one side of the canyon
C. low genetic diversity in the initial population of squirrels
D. the isolation of the two groups in different environments

Sarah and joe are arrested for allegedly stealing computer equipment. which of the following is correct? the trial would only begin and end in the state court system in the state where the crime is alleged to have happened. the trial would begin in a state-level appellate court and go to the federal court of appeal if the verdict is challenged. the trial would begin in a state-level court of original jurisdiction and go to a state appellate court if either side appeals the case. the trial would begin in a u.s. district court for the circuit and go to the u.s. supreme court if either party challenges the verdict.

How were the economies of the northern and southern states different? how ere they the same? what factors led them to develop differently?

Which of the following was not a factor that contributed to world war i? a. american neutrality b. nationalism in the balkans c. the system of overlapping military alliances among different european nations d. the rise of germany as an imperial power