Respuesta :

Answer:

Define the differences between absolute age and relative age.

Describe four methods of absolute dating.

Explain what radioactivity is and give examples of radioactive decay.

Explain how the decay of radioactive materials helps to establish the age of an object.

Estimate the age of an object, given the half-life and the amounts of radioactive and daughter materials.

Give four examples of radioactive materials that are used to date objects, and explain how each is used.

Describe how scientists know earth is billions of years old.