The answer to your answer is B because who cares what your freinds think,from a personal experience I shouldn't but I do,but still I shouldn't and neither should you or anyone else for that matter.
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities.
Confirming patients appointments is a good practice for the medical office because it help reduces no-shows such as the medical office can make a cancellation appointments. That will waste physicians time and also take valuable appointment slot away from other patient.