The half-life of argon-39 is 269 years. It decays into krypton-39. After 1,076 years, what fraction of the original amount of argon-39 in a sample will still be
argon?
A1/8
B1/16
C1/2
D1/4

Acuvetime re50which describes a scientist being creative? joshua takes detailed notes about the experiment he is conducting.elyse reads the references of a study before believing it.• sara tries turning a test tube upside down to collect a gas.o levi asks if redwoods would grow even taller if they had more phosphorus,mark this and returnsave and exitnext