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Radiometric dating allows us to determine the absolute age of the rocks and fossils.
The Earth is 4.6 billion years old

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- Radiometric dating gives absolute dates
- The geologic time scale represents the history of the earth

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- putting events in order is important
-putting events in order over a long period of time can be done on a timeline
- relative time is recorded in rocks (each rock layer represents a period of time in earth's history)
radiometric dating gives absolute dates
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-we can determan how old layers of rock are with the fossils that are in it.
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1. Earths history is very important
2. Earth is billions of years old

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1.If the history of the Earth was a book and every page represented a year that the book would be about 4,600,000,000 pages and it would take the average reader over 17,503 years to finish.
2.The law of superposition states that the younger the rock the higher up it is in the rock formation, and the older it is the lower it is in the rock formation.

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- The Earth is 4.6 billion years old
- It would take more than 17,503 years to finish the entire book of Earth

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1:Relative Dating allows us to identify the age of Organisms/Materials(Rocks).
2: Radiometric Dating allows us to find accurate ages for particular Rocks.

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-The law of Superposition refers to the layer of rock
-  Radiometric daring gives you the absolute dates
- geologic time line represents the entire earth history

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-The Earth is 4.6 billion years old
- Law of Superposition shows the layers of rocks from oldest to youngest

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- Trilobites are the oldest fossil found according to the model, when you use superposition
- Timelines are important to show how organisms evolved on the earth

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-  It would take more than 17,503 years to read the entire book.
-Rocks can help prove that each layer is another timeline in earths history.

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1. The Earth 4.6 billion years old
2. you can use the law of super position to determine the relative age of a rock layer

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1. The earliest known life was 3.9 billion years ago
2. The Earth and the Moon were formed at the same time