A ray of light has a wavelength of 284 nm in glass (n = 1.51). What
is its wavelength in a vacuum?

Identify two factors that determine the rate of stream erosion

Which graph best represents the relationship between the electric current and the rate at which a magnet is turning inside an electric generator?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents