Please help me determine this

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?

In what layer of the sun is energy transfers between atoms

Any sound above what db can cause hearing loss in human beings