During diffusion, how do molecules physically get from one place to another

Im is in a crowd of people at the mall looking for his girlfriend tammy, who was supposed to meet him for dinner. jim realizes tammy is across the room as he catches a whiff of her overpowering perfume, 'paris #6'. which process explains why jim is able to smell the perfume?

What are the two main phases of a cell cycle

Organisms that successfully adapt will leave to grownone of the above