Question 10 1 pts What strikes the primer when the trigger is pulled? Firing Pin Ejector Rifling impressions Question 11 1 pts Class characteristics of a bullet include: -number of land and groove markings -width of land and groove markings -depth of land and groove markings -twist of the bullet -pitch True False

## Step1<br />For question 10, we need to identify the part of a firearm that strikes the primer when the trigger is pulled. The primer is a small, sensitive component that ignites the propellant in a firearm. The part of the firearm that strikes the primer is the firing pin.<br /><br />## Step2<br />For question 11, we need to determine whether the listed characteristics are true for a bullet. The characteristics listed include the number of land and groove markings, the width of land and groove markings, the depth of land and groove markings, the twist of the bullet, and the pitch. All these characteristics are indeed true for a bullet. The number of land and groove markings, the width of land and groove markings, the depth of land and groove markings, the twist of the bullet, and the pitch are all characteristics of a bullet.