Uncover the mysteries of Earth's ancient past with this enlightening guide designed for educators. Learn about the geologic time scale, which segments Earth's 4.6 billion-year history into manageable chunks, from eons and eras to periods and epochs. Understand how scientists utilize fossils, rock formations, and the principles of relative
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Uncover the mysteries of Earth's ancient past with this enlightening guide designed for educators. Learn about the geologic time scale, which segments Earth's 4.6 billion-year history into manageable chunks, from eons and eras to periods and epochs. Understand how scientists utilize fossils, rock formations, and the principles of relative
Read Less