What does a sharp do? ) lowers the pitch a half step. lowers the pitch a whole step. raises the pitch a half step. raises the pitch a whole step.

A sharp raises the note a half step because if it was a whole step it would be a completely different note

The term collage was coined by both  georges braque  and  pablo picasso  in the beginning of the 20th century when collage became a distinctive part of modern art.hope this sorry if there wasn't more of an explanation!