Answer:
1.- Oldest rock in the Earth
2.- Rocks of the moon
3.- Rocks of the meteorites
Step-by-step explanation:
1.- In our Earth, there has been different studies that show the age of different layers in our planet by radiation, in this way, we can imagine how has been changing the surface trough this millions of years.
2.- By sonic sounds, the rocks of the moon can be analyze to calculate it relative age, and how this is corresponding to the age of our planet.
3.- Finally, another evidence of our Earth age, is by comparing the mass of different space bodies with our planet.
Hope this info is useful.