How do we learn about earth history?

Answer 1

By studying geoscience and palaeontology primarily.

When certain minerals are present, isotope age dating specialists can determine the exact age of rocks, which is helpful to geologists and palaeontologists who study the history of the planet.

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Answer 2

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Geology, paleontology, archaeology, and climatology are just a few of the scientific disciplines that help us understand Earth's past. These fields reconstruct Earth's past events and processes using data from rock formations, fossils, archaeological artifacts, and climate data. They also use techniques like radiometric dating and stratigraphy to help determine the chronology of events and the order of geological processes.

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Answer from HIX Tutor

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.