Question

Describe three uses of radioactive isotopes.

Answer 1

1. Archaeological Dating. Carbon-14 is often used to find the age of a substance many years old.

2. In the use of x-rays and cat scans. X-Ray technicians often inject radioactive iodine in ones system to increase the contrast between soft tissue and bone on an x-ray image.

3. Smoke detectors: Americium is often used in smoke detectors because it is very sensitive to burning carbon dioxide.  

Answer 2

Answer:

Radioactive isotopes are used in medicine to detect medical problems and treat some diseases. They are used in agriculture to better understand the biological and chemical processes in plants. In geology, radioactive isotopes are used to determine the age of rocks and fossils. In archaeology, they are used to determine the age of ancient artifacts.

Explanation:

Just got it from the test.