the वेबैक मशीन, pp. 247, Rex Bookstore, Inc., ISBN 9789712318962, ... The earth is composed of three layers: the crust, the mantle, and the core. Look at
the thinnest and the outermost layer. The mantle is the thickest and the middle layer. The core is the innermost layer ... Encyclopedia of Volcanoes Archived
से बड़ा शहर था और इसमें १० लाख से अधिक लोग रहते थे। शियान Exploring the Middle Ages, Steven Maddocks, Dale Anderson, Jane Bingham, Peter Chrisp, Christopher