How do rocks provide a history of the earth?
Rocks provide evidence for changes in the Earth.
The ideas about rocks really started with the :
Wegener’s theory ( theory of continental drift )
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Geologists can also use additional rock-based evidence, like
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By analyzing the composition, structure, and relative positions of rocks, geologists can deduce past geological events, such as volcanic eruptions, sediment deposition, and tectonic movements. Moreover, the study of fossils embedded in rocks helps determine the age of rock layers and provides insight into past life forms and environmental conditions. Rocks provide a history of the Earth through the principles of stratigraphy, which involves studying the layers or strata of rocks.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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