Question

The Earth has been though many changes that have affected all of Earth’s spheres: the biosphere, geosphere, hydrosphere, and atmosphere. Geologists use clues from Earth’s history to determine the age. Scientists estimate the age of the Earth to be 4.6 billion years old. What evidence do scientists have that would help them make that estimation?
Please write your response in complete sentences.

Answer 1

Answer:

It would be fossils because when you look at the diffrent layers of earth you would most likely be able to find fossils.

Explanation:

Hope this helps you!

Answer 2

The fossils can help them and sedimentary layers can also help them