recall that index fossils are an important part of relative age dating. what is true about the index fossils…

recall that index fossils are an important part of relative age dating. what is true about the index fossils in layer a? two of the answers are true. index fossil location 1 north america location 2 south america location 3 africa location 4 europe they are all found in europe. they all likely existed during the same time period. they prove that the earth was once one supercontinent. they are older than the fossils above them.

recall that index fossils are an important part of relative age dating. what is true about the index fossils in layer a? two of the answers are true. index fossil location 1 north america location 2 south america location 3 africa location 4 europe they are all found in europe. they all likely existed during the same time period. they prove that the earth was once one supercontinent. they are older than the fossils above them.

Answer

Brief Explanations:

Index fossils are used for relative - age dating. Fossils in the same layer likely existed at the same time. Also, in undisturbed rock layers, lower layers are older than upper layers.

Answer:

B. They all likely existed during the same time period. D. They are older than the fossils above them.