A boy jumps out of the bus . there is danger for him to fall: a) towards moving bus
b)away from moving bus
c) in the directioin of motion
d) opposite to the direction of motion

(B)

Explanation:

the boy will fall away from the bus if the bus is moving.

i don't know that i agree with that but what's the question ?

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.