If it is something small like Skittles or M&Ms, certainly! Just be warned that it won't pop as well as confetti. If you don't have confetti, then you can cut strips of paper and fold them instead to make DIY confetti for your popper.
No. There is no pressure difference inside and outside the balloon. Popping the balloon will create some local turbulence, sending the confetti somewhat outside the original shape of the balloon,...
Mulberry leaf tea is a green tea, and a very healthy one to boot. The only catch is that the leaves must be washed very thoroughly before using them. Mulberry...