What inference can you make from how the Cyrillic alphabet was created?
A Slavs were illiterate before Cyril and Methodius tried to spread Christianity
to Eastern Europe.
B Byzantines used only peaceful means to spread Christianity.
C Most people resisted the teachings of Christianity.
D The spread of Christianity had wide-ranging and long-lasting effects.

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?