The trajectory of a projectile is best described as (a) the target (b) the flight path (c) the housing for its gunpowder (d) the pattern of lands and grooves on the projectile

Which of the following is not part of a cartridge? a) barrel b) bullet c) gunpowder d) primer powder

Which of the following statements is true? (a) Gunshot residue is always present on an entrance wound (b) Gunshot residue can be washed off (c) Gunshot residue may be found on both the victim and the shooter (d) Both b and c are correct.

What factor has the greatest effect on the distance a projectile will travel? (a) the arrangement of the lands and grooves in the firearm barrel (b) the size of the person squeezing the trigger (c) the projectile's caliber (d) the amount of gunpowder in the cartridge

True or false: NIBIN is a database that contains names of perpetrators convicted in firearm cases.

True or false: Because bones can heal, a bone fracture is no longer evident after 10 years.

Outline the sequence of events that occur when a firearm is discharged and a projectile is expelled. Include the following terms: gunpowder, primer powder, hammer, trigger, firing pin, and bullet.

True or false: Pry-bar and crowbar marks cannot be distinguished from each other because they produce the same tool marks.

Animal hair can be distinguished from human hair because animal hair (a) has a smaller medullary index than human hair and no cortex (b) does not have a cuticle (c) always has a continuous medulla pattern (d) has a greater medullary index and more variation in the cuticle patterns.

Which can issue death certificates but cannot perform autopsies? (a) coroner (b) pathologist (c) medical examiner (d) both the coroner and the pathologist

Plastic prints must be dusted or treated in order to identify the ridge patterns.

Tell whether the lines through the given points are parallel, perpendicular, or neither. Justify your answer. Line 1: (1,0), (7,4) Line 2: (7,0), (3,6)

True or false: Tattooing refers to the marks made as shotgun pellets are embedded in the skin.

Give two positive and two negative angles that are coterminal with the given quadrantal angle. $0^{\circ}$