What happens to the light wave when it moves from the air into a solid? A. It’s wavelength will become longer

B. It’s frequency will decrease

C. It’s energy will increase

D. It’s speed will decrease

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind