Could someone help me with this? I have posted all 3 parts to this question.

3. Name the following heterocyclic ethers,draw the accompanying structures below. a) b) CH,CH, I CH,CH, H O H O c) Draw the structures of the following isomers, and arrange them in the order of decreasing boiling point. 3-methoxy-1-propanol, 1,2-dimethoxyethane, and 1,4-butanediol