Which is not a branch of the united states government?

Aregion home to ancient civilization

5. which of the following is an individual’s social equal? teacher x self ✓ peer group state

Which statement is correct? the speed of the light ray is the same in air and medium a. the speed of the light ray is the same in air and medium b. medium a and medium b have different densities because light refracts at different angles. medium a and medium b have the same density because the light ray strikes both at the same angle.