Which access control strategy allows an object owner to determine whether to allow access to the object

Ted wants to go out to a neighborhood park and shoot pictures of dew drops on grass. he wants to get a low-level angle of the dew drops. which support equipment should ted use? a. mini tripod b. pistol grip c. monopod d. body mount

Dave has to create animations for a game. which tool can dave use?

Which of these is most responsible for differences between the twentieth century to the twenty-first century?