Most often they are made from aluminium.
Aluminium
Polypropene is used in making cans for fizzy drinks because it is a lightweight, durable, and chemically resistant material. It helps to keep the carbonation in fizzy drinks by providing a strong barrier to prevent gas leakage. Additionally, polypropene is recyclable, making it an environmentally friendly choice.
Not all fizzy drinks are bottled in plastic.
aluminium
Aluminium could not be mass produced in the shape of a fizzy drink can without todays technology of automated manufacturing.
The fizz in the drinks are from carbon dioxide.
Carbon dioxide is what makes drinks fizzy.
Yes, you may take medication with fizzy drinks.
Yes Fizzy drinks carry more sugar compare to sport drinks.
The dissolved CO2 in fizzy drinks is bitter. Sugar makes the fizzy drinks taste good by covering the bitter taste with a sweet flavor so you want to drink it.
Fizzy drinks are usually acidic due to the presence of carbonic acid created by the carbonation process. This acid gives fizzy drinks their tangy taste.
Dry ice bubbling up through whatever concoction you made will make it "fizzy", or carbonated.