Where does photosynthesis occur in the biosphere? Check all that apply. in the Sun in producers in consumers Where does the cellular respiration occur in the biosphere? Check all that apply. in the Sun in producers in consumers

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.