Will give abrainlest pu-239 has a half-life of 240 years 24 years 24,000 years 2,400 years

Pu-239 has a half-life of 24110 years, so you answer is:
24,000 years

Ifound this information on google “yes. they have a mouth and brain at one end and an anus at the opposite end. what characteristics distinguish an annelid from other worms? annelids have segmented bodies and a coelem which is a tube filled with fluid and contains most of the organs.“ i hope it you