This book answers the questions: What is the Earth made of? Where do rocks come from? What are rocks made of? Where do we find rocks? How do we use rocks? Who studies rocks? It also includes an... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.