HELP ASAPP IM DESPERATE

You must use a different colour to represent a particular type of atom (i.e. carbon is black, hydrogen is white, oxygen is red. You must draw each one of the following molecules with single covalent bonds between carbon atoms:

1. 4-carbon molecule with a hydroxyl group

2. 3-carbon molecule with a carboxylic group

3. A 5-carbon molecule with an aldehyde group


(PLEASE ACTUALLY DRAW THEM!!!