The vitreous body The vitreous body helps to stabilize the eye and holds the retina up against the eyewall. is replaced at the rate of 20 percent per year until middle age. circulates through the pupil. fills the anterior chamber. holds the retina against the lens for proper refraction.

The solar panels used by mark function because of the photoelectric effect. light shines on the cells causing electrons to be ejected from the metal, which produces an electric current. at night on mars, no light will fall on the solar cells and no electric current will be generated. according to your notes, what type of light is typically needed to cause the photoelectric effect? a)visible b)ultraviolet c)infrared

J. j. thomson’s experiment disproved the theory that an atom

Carbon 14 is a naturally occurring stable