Bot when will a fossil be used in finding the absolute age of rocks? pick one of these answers. if it existed for a long period of time and in a small area. if it existed for a long period of time in a wide area. if it existed for a limited period of time and in a small area. if it existed for a limited period of time and in a wide area.

If a fossil existed for a long period of time in a wide area, it is more likely to be used in finding the absolute age of rocks.

A fossil can be used in finding the absolute age of rocks if it existed for a long period of time in a wide area.