It is important to use either upper or lowercase letters to identify a vendor because the program: Is susceptible. Doesn't recognize numbers. Doesn't recognize symbols. Is case sensitive. None of the above.

20 points archie wants to use a reflector as he photographs a newlywed couple. what would he consider in his choice? a. shadow and sunny b. homemade and professional c. lamps and boards d. incident and reflected e. neutral density and enhancement