Aboslute & Relative Age 2

Last updated over 3 years ago
5 questions
1

The relative age of a rock is...

1

How are half-lives used in Earth Science?

1

The time it takes for half of the radioactive atoms in a sample of radioactive element to decay is the element's...

1

How many half lives have passed when there are approximately 84,000 atoms of the daughter element?

1

The half-life of the parent element is 500 years. If a fossil is found with 50,000 atoms of the parent element remaining, how old is the fossil? Use the graph above to help you answer the question.