question 4 of 15\nto perform uranium - 235 dating on a sample, what must be true?\na. the sample must…

question 4 of 15\nto perform uranium - 235 dating on a sample, what must be true?\na. the sample must contain elements with no half - life.\nb. the sample must have a half - life less than 5,730 years.\nc. the sample must contain uranium - 235.\nd. the sample cannot contain any uranium - 235.

question 4 of 15\nto perform uranium - 235 dating on a sample, what must be true?\na. the sample must contain elements with no half - life.\nb. the sample must have a half - life less than 5,730 years.\nc. the sample must contain uranium - 235.\nd. the sample cannot contain any uranium - 235.

Answer

Brief Explanations:

Uranium - 235 dating relies on the presence of Uranium - 235 in the sample. Without Uranium - 235, the dating method cannot be applied. Elements used in dating have half - lives, and the half - life of Uranium - 235 is much longer than 5,730 years.

Answer:

C. The sample must contain Uranium-235.