The comparison of two bullets is possible with the comparison microscope. Such a study is made difficult by the fact that:
A)Lands and grooves are subject to wear and tear, so markings are susceptible to continuing change.
B)Often evidence bullets are distorted on impact and only small areas are found with intact markings.
C)The presence of grit and rust can, to some degree, alter the markings on bullets fired through the same barrel.
D)All of the above.

Question

Quizplus · Accepted Answer

All the options listed (A, B, and C) are factors that can make the comparison of bullets difficult. Lands and grooves wear over time, bullets can be distorted upon impact, and foreign materials like grit and rust can alter bullet markings.

The Comparison of Two Bullets Is Possible with the Comparison