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Sand - Wikipedia
What is Sand - Overview and Geology - Sandatlas
Sand | Beach, Dune, Desert | Britannica
What Is Sand? What Is It Made Of? - Science Notes and Projects
Sand Definition & Meaning - Merriam-Webster
What is Sand Made of? History. | Saltwater Science - Nature
Sand - Simple English Wikipedia, the free encyclopedia
Sand - New World Encyclopedia
Sand - Terminology, Composition, Shape, and More - ThoughtCo
What is Sand? Composition, Colors and Various Types of Sand