When an object moves, its distance and displacement are O never equal.
O always equal.
O sometimes equal.

liquid crystals are matters in a state which have properties between those of conventional liquids and those of solid crystals[1]. liquid crystal is partially ordered and anisotropic. in terms of molecular order, liquid crystal molecules have one-dimensional or two-dimensional long - range order.

i think it's c

bc blah

explanation:

bc blah