Which describes a result of the voting rights act? a.) many white voters refused to vote in the 1968 presidential election. b.) the south’s white majority switched to the republican party. c.) most whites in the north began to question the civil rights movement. d.) the number of registered black voters in the south decreased.

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?