Forensic !
match each of these bullet observations could you discover

number of lands
striations
right or left twist
bullet diameter

a. caliber of the firearm
b. firearm manufacturer
c. the exact firearm that fired the bullet

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

i need an image of the diagram

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]