Question

when a perfume bottle is opened, some liquid changes to gas and the fragrance sp
a. gases do not have a definite volume.
b. the particles of gases are closely packed.
c. the force of attraction between particles in gases is very high.
d. gases are not matter.

Explanation:

Gases have no definite volume and can expand to fill their container, which allows the perfume - gas to spread when the bottle is opened. Particles of gases are far apart, the force of attraction between gas particles is very low, and gases are a form of matter.

Answer:

A. Gases do not have a definite volume.