The half-life carbon-14 is 5730 years. Archaeologists dig up a seed that contains 0.25 parts per trillion of carbon-14. If it or
iginally contained 1 part per trillion carbon-14, how old is the archaeological specimen? A) 11,460 years
B) 5730 years
C) 17,190 years
D) 22,920 years
E) 28,650 years
Testosterone is a hormone, cholestrol is part protein but also known as a lipid, hemoglobin helps the blood and a polysacchride is a charbo hydrate sooo its probaly B