Protective custody. Protective custody is a type of imprisonment (or care) to protect a person from harm, either from outside sources or other prisoners. Many administrators believe the level of violence, or the underlying threat of violence within prisons, is a chief factor causing the need for PC units.
What are the two defining features of an experiment. for a good experiment, you need good manipulation skills (don't always ask the teacher what to do). each experiment must have a dependent, an independent and control variables. your lab report must have background info, aim, hypothesis, list of appar... view the full answer.
The things that are changing in an experiment are called variables. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.