{ "item_title" : "How Old is Planet Earth? Understanding the Geologic Time Scale Geologic Time Grade 6-8 Earth Science", "item_author" : [" Baby Professor "], "item_description" : "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 and absolute dating to piece together the planet's evolutionary story. Ideal for incorporating into the curriculum, this book provides a comprehensive overview of Earth's formation, the development of its atmosphere, and the emergence of life, offering a vivid timeline of our planet's history. Perfect for sparking student interest in Earth Science.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/54/199/045/1541990455_b.jpg", "price_data" : { "retail_price" : "22.99", "online_price" : "22.99", "our_price" : "22.99", "club_price" : "22.99", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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