What must a magnet always have?
O A. Two like charges
OB. Two opposite poles
O c. Two opposite charges
OD. Two like poles

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.

answer; how far out of place which the object finished relative to the starting location;

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;