First search up what a lunar is then look in images and you should find your answer
B is correct. The torque is modified by the pitch and friction resistance of the threads. The clamping force is the resultant force pulling the head to the gasket.
The smooth mountain rock surface makes a higher runoff rate than a vegetation surface. Differ form soil; mountain rocks have small fractures in the surface that absorb a little water but not that much.
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.