What is a characteristic of a solid?

A. It is a substance which will always hold its shape.

B. It is a substance which is unable to hold its shape.

C. It is always a homogenous mixture.

D. It is always a heterogeneous mixture.

Because solids can hold their shape because their molecules or particles are so tight to be packed together. Because the atoms inside of a solid are unable to move around too much.

Solid is one of the state of matter. Solid objects are usually hard and have their own shape.

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).