Using coupons seems like an old-fashioned, time-consuming way to save a few cents on the products you buy at the grocery store. After all, most coupons don't usually have a face value of more than $1 and, quite often, they're worth far less. But done properly, couponing can save you thousands of dollars every year.
Answer:
It is a beta decay equation unknown
Explanation:
none
B. When electrons gain energy, they have the power to move up to a higher energy level in an atom.
Answer:0,25 g/cm3 creo
Explanation:densidad es masa entre volumen
