When will a fossil be used in finding the absolute age of rocks? if it for a limited period of time and in a wide area
if it existed for a long period of time and in a wide area
if it existed for a limited period of time and in a small area
if it existed for a long period of time and in a small area​

Number 4

Explanation:

Geologists use a variety of techniques to establish absolute age, including radiometric dating, tree rings, ice cores, and annual sedimentary deposits called varves. Radiometric dating is the most useful of these techniques—it is the only technique that can establish the age of objects older than a few thousand years.

yes probably it reduce

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