Which two subatomic particles have approximately the same mass

proton and neutron has the same mass of 1amu

what best describes physical development during adolescence is the development of secondary sex characteristics happens at a rate unique to each individual.

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.