You are correct, the answer is C.
Good insulators are materials that do not allow heat, electricity, light or sound pass through easily. Materials like steel and silver (which are metals) are not good insulators because they make good conductors. They easily allow heat, electricity and the like pass through them.
Thus, the answer is letter C. Rubber.
Homogenous mixtures don't have visible constituents. An example of this would be water.
Heterogenous ones have visible constituents and an example would be if you put some dirt in water and then it wouldn't mix properly and you could see the dirt in it.
The angle of reflection is the angle that the reflected ray makes with a line drawn perpendicular to the reflecting surface.
My Very Excellent Mother Just Served Us Nachos
(or Nine pickles if Pluto was a planet)
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
(Pluto)
hope that helped
Answer:
we understand it by electromagnetic spectrum. and we velength is the distance between identical location on adjecent waves ( see figure below)
