Which two characteristics describe a good index fossil?
A. Having existed for a very long time
B. Being very rare
C. Being found in many regions
D. Having an unusual shape

Respuesta :

Answer:D. And C.

Explanation:

I did it

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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