Under Article III of the U. S. Constitution, who is responsible for creating all other courts in the federal system other than the U. S. Supreme Court? a
The Chief Justice of the United States
b
The Congress of the United States
c
The United States Senate
d
The President of the United States

Before world war 1 started, austria-hungry was wary of (spain or serbia) because of border disputes

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?

In which country were apartheid laws created that prohibited interracial marriage and otherwise segregated the races?