Which statement best describes an advantage george washington had as the first president of the united states?
a.
he had the support and advice of leaders from other republics.
b.
he was highly respected and had been elected unanimously.
c.
he oversaw a strong u. s. economy with very little debt.
d.
he had years of experience leading democratic state governments.

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?