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.
What is scabies? Scabies is a skin infestation caused by a mite known as the Sarcoptes scabiei. Untreated, these microscopic mites can live on your skin for months. They reproduce on the surface of your skin and then burrow into it and lay eggs. This causes an itchy, red rash to form on the skin.