Which statements describing al-qaeda's beliefs are true?
choose all answers that are correct.
a. al-qaeda believes it is the duty of every muslim to kill americans.
b. al-qaeda members refuse to sacrifice their own lives for their cause.
c. al-qaeda preaches tolerance and acceptance of other religions.
d. al-qaeda members are a small group of religious zealots who won't compromise their convictions.

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?