Which state of matter has properties that are responsible for your smelling the perfume of someone across the room?
A. Gas
B. Solid
C. Liquid
D. Plasma

Gas

Explanation:

Solid particles cannot travel far, since they are mostly attracted together.

Liquid Particles cannot travel far either, although they can flow, but they flow with respect with gravity.

Plasma... is a very hot material, it's probably cooler than the sun but it's way warmer than your average boiling water.

So which leaves gas, since we know that the properties of gases are :

Gas particles can freely travel

Gas particles are spread out

These enables it to flow around the room, and this has something to do with diffusion, but i believe it's out of topic.

So, the answer's gas!

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i just did this and got a 100.

dang that balls went far