Smithsonian National Museum of Natural History Geologic Time The Story of a Changing Earth
Presented by the Department of Paleobiology.
Foundational Concepts
Foundational Concepts
Dating Methods
Earth Processes
Plate Techtonics
Climate Change
Ocean Circulation
references and links
Life Processes
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Introduction to Earth Processes

Plate tectonics, climate change, and ocean circulation are the main processes that drive changes in Earth’s land, air, and oceans. These changes can have both beneficial and harmful effects on Earth’s climate and biota.



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Dating Methods | Earth Processes | Life Processes



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