A light bulb connected to a 9-V battery has a current of 1.5 A flowing

Carbon 14 is a naturally occurring stable

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units

Can anyone plz answer any of these. even if its one it will