×
Log in
Upload File
Most Popular
Study
Business
Design
Technology
Travel
Explore all categories
The top documents tagged [matthewvenn slide]
Quartz by-nc: Travis S. by-nc-nd: Orbital Joe. With few exceptions, most early stone tools were fashioned of quartz. by: Yandle by-nc-nd: Western Sahara
220 views
Pyrite by-nc-sa: bonsaikiptb. When pyrite is struck against metal or a hard surface, it creates a spark. by: westy559 by-sa: matthewvenn
213 views