Respuesta :
fossils, layers of rock, and possible water. but try the first two. Sorry if this wasn't helpful. But Good Luck! :D <3
Answer:
Layers of rock
Fossils
Step-by-step explanation:
Layers of rock and fossils are types of information the scientists use to determine the approximate age of the earth.
Fossils found in rocks and the layering in rock formations play a vital role for the scientists to determine the approximate age of the earth.