Respuesta :
The characteristics that describe a good index fossil are :
- Having existed for a very long time
- Having an unusual shape.
What is a Fossil ?
Fossil refers to the remains of dead plants and animals that have accumulated over years or centuries which can be use as fuel, researches, or monuments.
Therefore, The characteristics thatdescribe a good index fossil are :
- Having existed for a very long time
- Having an unusual shape.
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