Describe the geologic column and its weakness. also explain how the ages of the rocks are determined by radiometric dating and other methods and why these methods are faulty?

Radiometric dating or radioactive dating is a technique used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed. Some of its cons are:

1. Expensive, because you have to determine the isotope of very trace quantities of radioelements, and not just the concentration of the element, in a mass spectrometer

2. Requires highly skilled specialists

3. Will not work for fossils or sedimentary rocks