Cogeneration is the process of taking a waste product or process and producing heat and generating electricity from it at the same time.
It could be collection of waste heat from the original generation of electricity or burning of biodiesel, ethanol or methane gas from sewer or cow dung. The only answer where electricity is using or creating heat and generating electricity power is C.
Incontinence is the lack of control when urinating or defecating. Elderly and more than half of women experience urinary leakage. There are factors causing this which includes infection, diseases and medications. To demonstrate sensitivity and professionalism to support these patients one should first establish trust in order to have a smooth interaction. Another would be the medical assistant should be specific about asking questions on the problem and should also explain what is incontinence and that can be improve by bladder or bowel training, proper nutrition and medications.