The Anti-Federalists refused to ratify the Constitution until the Bill of Rights were added. What was the main purpose for the addition of the Bill of Rights? A. to prevent war with France.

B. to settle the dispute over counting slaves towards a states' representation.

C. to restate the supremacy of the federal government over the state governments.

D. to serve as a protector of individual and states' rights against the federal government.

Some organisms have a large geographic range. for example, the norway rat lives on every continent except antarctica. a population of norway rats is the number of rats in one particular area. do you think it’s scientifically possible for a population of norway rats in north america to carry different genetic mutations than a population of norway rats in africa? do you think it’s possible that they carry some of the same mutations? what types of information can scientists learn by studying the genomes of these two populations of rats?