IT CAN BE INFERRED FROM THE PASSAGE THAT IF AN ITEM CONTAINS MORE CAR...

Câu 50: It can be inferred from the passage that if an item contains more carbon-14 than nitrogen-14,then the item is .A.not as much as 5,570years old B.too old to be age-datedwith carbon-14C.too radioactive to be usedby archeologists D.more than 5.570 years old