The appropriate alternative therapy for shortness of breath depends on the underlying cause of the condition. When dyspnea is acute and severe, oxygen therapy is used either in the doctor's office or in the emergency room. For shortness of breath with an underlying physical cause like asthma, anaphylactic shock, or pneumonia, the physical condition should be treated.
The International System of Units (abbreviated SI from systeme internationale, the French version of the name) is a scientific method of expressing the magnitudes or quantities of important natural phenomena.
Answer Wiki. A wavelength is just a length, but used for a wave. So the SI unit is the meter (m) which means you will have this unity in most serious scientifical uses of wavelength, with the appropriate modifier. For example, the wavelength for red is typically 650 nm.