Fossils older than ____ cannot be dated by their ¹⁴C content because ____. A) 60,000 years; most of the ¹⁴C has decayed by this time B) 12,000 years; half of the ¹⁴C has decayed by this time C) 6,000 years; older fossils do not contain carbon D) 2,000 years; most of the ¹⁴C has decayed by this time E) 500 years; half of the ¹⁴C has decayed by this time

Question

Quizplus · Accepted Answer

Fossils older than 60,000 years cannot be dated by their carbon-14 content because most of the carbon-14 has decayed by this time, making it difficult to accurately measure the remaining amount.

Fossils Older Than ____ Cannot Be Dated by Their 14C

Fossils Older Than ____ Cannot Be Dated by Their ¹⁴C