mug is usually made out of ceramic, clay, or some other non-clear substance. a glass is made out of... glass!

glasses are used for milk, water, and juice, while mugs are used for coffee, hot chocolate, or tea

also, "glasses" that are made out of plastic or other material that isnt glass is usually just called a cup.

wow.. i'm so grateful, it's my homework.. thank you

cheater!!! lol

a mug has a handle!