Some primary uses of cell phones include, keeping in touch with friends or family. As well as communicating to work and to have in the event of an emergency.
Physics. only one, if the drum is 500m around... 50 turns. you will need on the drum for your cage and skip to move up and down by 500m. 500/18.84= 26.5.
Mark me as brainliest pls..... :)
A, true. Requirements describe the objectives of any assignment.
