In what year did black history month become a reality

What battle in the civil war was known as the bloodiest war ?

Over the years, the colony of jamestown failed to establish peace with powhatan american indians. make itself a permanent colony. grow enough tobacco for export to europe. establish a representative 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?