What three things did obama do that greatly his presidential campaign? select all that apply.

a) he visited and campaigned in all fifty states.

b) he refused to accept public finance money.

c) he let others do most of the individual campaigning.

d) he opened campaign offices in all fifty states.

e) he accepted all the public finance money.

f) he took private donations via the internet.

According to thomas hobbes concept of the social contract, what do people exchange for the protection by the government?

Answer the questions in the image for zoom in to see better

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?