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Did you know that the most common rocks on Earth’s surface are sedimentary rocks? Over millions of years, layers of sand, rock, mud, and shells build up to form sedimentary rocks. Layers of sediment have been building up in the Grand Canyon for 2 billion years! Readers will learn all about sedimentary rocks in this intriguing book.
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Did you know that the most common rocks on Earth’s surface are sedimentary rocks? Over millions of years, layers of sand, rock, mud, and shells build up to form sedimentary rocks. Layers of sediment have been building up in the Grand Canyon for 2 billion years! Readers will learn all about sedimentary rocks in this intriguing book.