trilobites were animals that lived in the ocean between 520 million and 540 million years ago. a trilobite…

trilobites were animals that lived in the ocean between 520 million and 540 million years ago. a trilobite fossil can be used as an index fossil.\nwhat can a scientist learn from a trilobite fossil found in a layer of rock?\na. that the area near the fossil was always dry land\nb. the temperature of the trilobite when it became a fossil\nc. the age of the layer of rock the trilobite fossil was found in\nd. that no other types of fossils will be found in the area

trilobites were animals that lived in the ocean between 520 million and 540 million years ago. a trilobite fossil can be used as an index fossil.\nwhat can a scientist learn from a trilobite fossil found in a layer of rock?\na. that the area near the fossil was always dry land\nb. the temperature of the trilobite when it became a fossil\nc. the age of the layer of rock the trilobite fossil was found in\nd. that no other types of fossils will be found in the area

Answer

Brief Explanations:

Index fossils are used to date rock layers. Since trilobites lived in a specific time - range (520 - 540 million years ago), finding a trilobite fossil in a rock layer can help determine the age of that rock layer.

Answer:

C. The age of the layer of rock the trilobite fossil was found in