What is a convict servant? How did the process work once the convict servant arrived in the colonies? Why do you think convict servants are not a well-known part of American colonial history?

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.