Which of the following is NOT a method by which the general dates of the geological time scale can be determined?
A)Lower rock layers are older than surface layers.
B)Common assemblages of indicator fossils occur in layers with primitive layers lower.
C)Radioisotopes decay at constant rates and the ratio of isotopes-to-stable elements provides a relative age.
D)Carbon 14 should double in a sample every 5,730 years and so can be used to date organic matter.
E)Absolute and relative dating methods can both be used.

Question

Quizplus · Accepted Answer

Carbon 14 dating can only be used to determine the age of organic matter that is less than about 50,000 years old, so it is not a method for determining the general dates of the geological time scale. The other methods listed are all commonly used in determining the geological time scale.

Which of the Following Is NOT a Method by Which