Which action is a form of grassroots activism that supported or opposed
same-sex marriage?
O
A. President Barack Obama appointing a transgender woman to his
cabinet
O
B. Bakery owners refusing to make cakes for same-sex couples
O
C. The Supreme Court ruling that the Defense of Marriage Act is
unconstitutional
O
D. The magazine One publishing material aimed at a gay audience

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?