10. what are the units for distance,
velocity and time?
a. volts, amps, watts
b. kg, m/s, l
c. m, m/s, s
d. m/s2, j, n

C.

Explanation:

Distance is meters its shortcut is (m). This is because it measures how long/far something is. Velocity is m/s (or meters per second). This is because velocity and speed are pretty much the same but, velocity is speed with direction. Also, time of course is seconds because that is a common unit of time.  

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.