Which of the following statements regarding radiometric dating is true?
A)After two half-lives,no radioactive atoms remain.
B)Carbon-14 cannot be used to date material more than 100,000 years old.
C)Sedimentary rocks can be dated more easily than igneous rocks.
D)The radioactive decay product is called the parent atom.

Question

Quizplus · Accepted Answer

Carbon-14 dating is effective for materials up to about 50,000 to 60,000 years old. Beyond this, there's too little C-14 left to accurately measure, making the method unreliable for materials over 100,000 years old.

Which of the Following Statements Regarding Radiometric Dating Is True