Species Interactions Species Interactions Introduction We have been talking about how populations can change However it is rare in the environment that a species will exist…
Species Interactions Introduction To Communities Communities It is rare in the environment that a species will exist in a population Normally there are other living factors…
Slide 1 Slide 2 Firearms Forensic analysis is vital to solve a crime that uses a gun. In 2004, there were 12,00 homicides in the US The vast majority of U.S. homicides involve…
Firearms: A Quick History Almost every gun is based on the same simple concept: You apply explosive pressure behind a projectile to launch it down a barrel. The earliest…
PowerPoint Presentation Firearms, Took Marks & Other Impressions Firearms: A Quick History Almost every gun is based on the same simple concept: You apply explosive pressure…