"You live on a fiery ball of rocks and minerals that is ready to reveal its secrets and its incredible history! In-depth information about rock formation and change. Galleries of rocks, minerals, and gems to identify and collect. Cool graphics to make science simple"--Back cover.
The wonders of rocks and minerals explores the world of geology ia an exciting and higly interactive way.
Enhances absorption of vitamin C. Bioflavonoids are water - soluble vitamins that are essential for the proper absorption and utilization of vitamin C. The bioflavonoids are citrin , flavonals , flavones , hesperidin , and rutin .
The pocket guide to rocks and minerals
The Pocket Guide to Rocks & Minerals
Get out and discover nature Each title in this series includes detailed illustrations and a checklist to keep track of what has been spotted.
Roches et minéraux
... is an ideal compact identification guide to the rocks , minerals , and crystals found on the shore , in the desert , in national parks , on old mine tips , in yards , and in the stone and stone - faced buildings of North America .
本书收录鲁迅早期编著的"中国矿产志"和生理课程讲义"人生象敩."
Examines the nature, formation, and different kinds of rocks and minerals and explains how to collect them.