The principle that states that the oldest rock layer is found at the bottom in an undisturbed stack of rock layers

The branch of science that focuses on the study of fossils and past life.

________________are the remains of species that existed on Earth for relatively short periods of time and were widespread geographically.

If the hard part of an organism decays or dissolves, leaving behind a cavity in a rock, what type of fossil is left?

__________________is the age of something compared to other things.

___________________________is the actual age of an object.

__________________________is the principle that Earth’s processes occurring today are similar to those that occurred in the past.

The correct order of geologic units of time from the longest subdivision to the shortest subdivision.

Which of the following is NOT a type of fossil

Which of the following is NOT a type of fossil

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