Scientists can use relative dating to calculate the exact age of fossils. true false

Lava erupting earlier would come from the top of the magma chamber, and lava erupting later would come from lower down. Although the half-life of carbon makes it unreliable for dating fossils over about 50, years old, there are other isotopes scientists use to date older artifacts. Therefore, layer 1 is the oldest, layer 2 is the second oldest, layer 3 is the third oldest, layer 4 is the fourth oldest, and dike is the youngest layer of rock. Law of superposition b. The laws of stratigraphy can help scientists understand Earths past.

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New rock layers are always deposited on top of existing rock layers.

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relative ages of rocks

Carbon, Radiometric Dating and Index Fossils. Carbon cannot be used to date biological artifacts of organisms that did not get their carbon dioxide from the air. C Which letter represents a dike? New rock layers are always deposited on top of existing rock layers. Therefore, layer 1 is the oldest, layer 2 is the second oldest, layer 3 is the third oldest, layer 4 is the fourth oldest, and dike is the youngest layer of rock. Prior to radiometric dating, evolution scientists used index fossils a. This diagram represents the cross-cutting relationships of rocks.

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scientists can use relative dating to calculate the exact age of fossils. true false
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scientists can use relative dating to calculate the exact age of fossils. true false
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