How did the russian revolution impact world war i?

a. the russians required the allied powers to come to their aid to defeat the radical groups.

b. the russians pulled out from the war, enabling the germans to focus on the western front.

c. the russians created new technological advancements that were used by the allied powers to win.

d. the russians created a new communist government that aligned with the central powers instead.

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?