問題詳情

24. The half-life of carbon-14 is about 5,730 years. A fossil that has 1/16 of the normal proportionof carbon-14 to carbon-12 should be about how many years old?
(A)2,800
(B)11,200
(C)16,800
(D)22,900

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增