Modern Nuclear Bomb Tests Have Created an Extra High Level

Multiple Choice

Modern nuclear bomb tests have created an extra high level of ¹⁴C in our atmosphere.Suppose that future archaeologists date samples from our era,but do not know about this testing.Will their dates be too young,too old,or still correct? If correct they are correct,why?

A) too young
B) too old
C) correct, because ¹⁴C from bomb tests is different from that produced naturally
D) correct, because modern biological materials do not gather ¹⁴C from bomb tests