Question

a perfume bottle is dropped in the corner of a room and it shattered. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?
particles are moving from regions of high concentration to low concentration.
particles are moving from regions of low concentration to high concentration.
particles are moving through a small opening into a smaller volume.
particles are moving through a small opening into a larger volume.

Explanation:

Diffusion is the movement of particles from an area of high concentration to an area of low concentration. When the perfume bottle shatters, perfume particles spread out in the room following this principle.

Answer:

Particles are moving from regions of high concentration to low concentration.