What helped create a "global village and the emergence of a new international popular culture? technology, such as television, artificial satellites, radio, and movies newer, more advanced agricultural methods and techniques American pop culture, such as rock and roll music and cars a decrease in Cold War tensions as a result of the space race

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?