Earth is made of different things gases, rocks, soil, and water. Most of Earth is made of rock. Rocks are made of many different things and can be many different shapes, sizes, and colors. From statues to houses to roads, Rocks illustrates the many ways that rocks can be used.
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.