The table below shows the fossils found in various layers of an undisturbed rock: Fossils In Rock Layers
Layer (from top) Fossil in Layer
1 A, C
2 E
3 A, D, F
4 B
5 F, C
6 D, B
Which is most likely an index fossil?

Group of answer choices

A

B

D

E

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

the question isn't complete here so i can't right an answer '_'

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.