Proposition is a statement about observable phenomena(concepts) that may be judged to be true or false.When a proposition is so formulated for empirical testing ,we call it a hypothesis..As a declarative statement about the relationship between two or more variables, a hypothesis is of tentative and conjectural nature.
Visual symptoms of scabies: what do they look like, and where are they found? Scabies can be on almost any part of the body, but often the hands are the first area affected. Scabies also particularly like to live in skin folds and crevices, such as those on the inside of the wrist.
1 Signs and symptoms of scabies include a skin rash composed of small red bumps and blisters that affects specific areas of the body. 2  Other symptoms can include tiny red burrows on the skin and relentless itching. 3  The itch leads to frequent scratching, which may predispose the skin to secondary infections.cabies facts. 1  Scabies is an itchy, highly contagious skin disease caused by an infestation by the itch mite Sarcoptes scabiei. 2  Direct skin-to-skin contact is the mode of transmission.