B don’t know what light has to do with a ball bouncing
Answer:
He
Explanation:
From Graham's law of diffusion, lighter or less dense gas tends to diffuse faster than denser gas amongst the list, He is the lightest gas and so will diffuse faster
Answer:
An inorganic compound is a compound which lacks carbon-hydrogen bond.I guess u`ve not mentioned the full question..
Answer:
Explanation:
When a light ray strikes the interface between two mediums, it is refracted through an angle that depends on the index of refraction of each material and the ray's angle of incidence, as measured relative to the normal (perpendicular) between the surfaces.