how much time is needed to form most fossils? a few months a few years hundreds of years millions of years

how much time is needed to form most fossils? a few months a few years hundreds of years millions of years
Answer
Brief Explanations:
Fossilization is a slow - process. Organic materials are gradually replaced by minerals under specific geological conditions over extremely long time - spans. Most fossils form over millions of years as sediment accumulates and undergoes diagenesis.
Answer:
millions of years