An electric mixer is used for heat or used for movement?

the bullets go in this order.

4, 1, 3, 5, 2

italy's population growth rate is almost at zero, the national statistics agency, istat, said on monday, mainly due to a dwindling birth rate.

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.