Why are no rocks found that date from the first 800 million years of earth's existence?

Reason i shouldnt turn back if i'm lost in the wilderness need fast

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.

Plz in a major hurry will give brainlest asapwhich of these would best describe the process labeled p? absorption of heat absorption of elements formation of solar energy formation of new elements