Why is this animal able to make the loudest noise on earth water boatmen also if anyone plays Fortnite and wants to compete for the ghost rider skin and you don't have anyone to do trios with. me and friend are one person short maybe and could use an extra person. :)

You are attempting to recrystallize a crude product mixture. you add the appropriate amount of hot solvent and are allowing the solution to slowly cool to room temperature. however, at room temperature no crystals have appeared, which of the following methods should be used to induce crystallization? choose all correct answers. a) place the flask in an ice bath. b) swirl the contents of the flask. c) add a small seed crystal of the desired product. d) scratch the inside of the glassware using a stir rod. it can be multiple choices