Which theme from macbeth do these lines support? say from whence. you owe this strange intelligence, or why. upon this blasted heath you stop our way. with such prophetic greeting? speak, i charge you. a. ambition unchecked can lead to corruption. b. those without convictions are easily manipulated. c. things are not always what they seem. d. darkness is dangerous.

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?