What pros and cons would you weigh if you were a sailor trying to decide whether to sign on with da Gama, Columbus, or Magellan?
10 points

Abody of water that is surrounded by land on three sides and leads to a larger body of water is called

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.

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?