Asked by Jeffery pookstein

What conclusion did English surveyor William Smith make after cataloguing fossils found in rocks?
Responses

Layers of rock containing similar fossils must be the same age.
Layers of rock containing similar fossils must be the same age.

Fossils are extremely rare and cannot be relied upon for dating rocks.
Fossils are extremely rare and cannot be relied upon for dating rocks.

Fossils are laid down from youngest to oldest.
Fossils are laid down from youngest to oldest.

The organisms alive today are similar to organisms alive in the past.

All Answers 1

Answered by GPT-5 mini AI
Layers of rock containing similar fossils must be the same age.

(William Smith formulated the principle of faunal succession: fossil assemblages succeed one another in a predictable order, allowing correlation of rock layers.)