The diagram below shows light striking a pane of glass. some of the light is reflected and some of the lightest transmitted. the letters represent six different angles. according to the law of reflection which two angles must be equal?

a. e and c
b. f and a
c. b and c
d. a and d

gas and liquid

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.