It depends on your body needs, and what your goals are, to build muscles for example or to decrease your cholesterol or weight or increase stability of your energy levels so it varies greatly imo and its better to consult a nutritionist before putting a limit for yourself. personally I'd say between 20-30
On Brainly to get a warning, I think it depends on what you do to get the warning and how bad it is and I think eventually they start to delete your answers and questions
C, although your question is unclear you must provide three different ways to show you are you at the dmv
