PLEASE ANSWER

How does refraction work?

A. Light speeds up as it goes through more dense materials.

B. Light waves bend when they go through a small slit or hole.

C. Light slows down as it goes through more dense materials.

D. Light waves get closer together as they go through more dense materials.

C. Light slows down as it goes through more dense materials.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.