Description. 1  This app lets you measure the point-to-point (great-circle) distance between two or more waypoints on a map or measure the surface area defined by a polygon having three or more points as its corners. It uses online maps so it needs an internet connection. 2  Added measuring in yards, acres and hectares.
Comorbidities are two or more diseases existing at the same time in the body. They are common for people with COPD because organ systems work differently when they do not receive enough oxygen. When a resulting condition occurs, it can be considered comorbidity.
The resistance of a liquid to flowing is its viscosity.   Viscosity is a property arising from friction between neighboring particles in a fluid  that are moving at diffâ¦erent velocities. In  liquids, it could be considered the thickness. For example, maple  syrup has a higher viscosity than water.