Question 8(1 point) The "lingerprint" of a firearm does not include: a Elector markings b Striations c Firing pin markings d Breechblock markings Question 9 (1 point) Which impression mark appears on the rim or center of the spent cartridge? a Elector Marks b Striations c Breechblock Marks d Extractor Marks e Firing Pin Marks

## Step1<br />Question 8 is about the "fingerprint" of a firearm. The "fingerprint" of a firearm refers to the unique markings left on a bullet or cartridge when it is fired from a specific firearm. These markings are unique to each firearm and can be used to identify the firearm from which the bullet or cartridge was fired. The options provided are different types of markings that can be found on a bullet or cartridge. Among the options, "Elector markings" is not a recognized term in the context of firearm markings. The correct terms are "Electrostatic markings" or "Electrostatic discharge markings," which refer to the unique patterns left on a bullet or cartridge due to the discharge of electricity during firing. Therefore, the correct answer is "a Elector markings."<br /><br />## Step2<br />Question 9 is about the impression mark that appears on the rim or center of the spent cartridge. The options provided are different types of marks that can be found on a spent cartridge. Among the options, "Firing Pin Marks" are the marks left on the center or rim of a spent cartridge by the firing pin of the firearm. The firing pin strikes the primer of the cartridge, causing it to ignite and propel the bullet forward. The unique shape and force of the firing pin leave distinct marks on the cartridge. Therefore, the correct answer is "e Firing Pin Marks."