By examining unique striations, scratches left behind on the bullet and weapon, individual fired rounds can be, but not always are, linked back to a specific weapon. These striations are due to the rifling inside the barrel of handguns. Rifling spins the bullet when it is shot out of the barrel to improve accuracy.
<h2><em><u>Sociology is the studies on societies and how human act in groups.</u></em></h2><h2 /><h2><em><u>Sociology is the studies on societies and how human act in groups.The process in which green plants use sunlight to make their own food is called</u></em><em><u> </u></em><em><u>photosynthesis</u></em><em><u>.</u></em></h2>
