What impact did U. S. government policies have on business and industry during the late 1800s? A) The U. S. government regulated industry for the public good. B) The U. S. government had little or no influence on business and industry. C) The U. S. government tried to limit and regulate industry and business growth. D) The U. S. government tried to control public and private utilities and transportation.

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?