A simulation may be performed through (1) solving a set of equations (a mathematical model), constructing a physical (scale) model, (3) staged rehearsal, (4) game (such as wargames), or a computer graphics model (such as an animated flowchart).
Thigh gap. A thigh gap is a space between the inner thighs of some women when standing upright with knees touching. A thigh gap has become an aspect of physical attractiveness that has been associated with fragility and femininity. In the United States, it has been reported that among teenage girls, a gap has become a beauty ideal.
The achievement gap in the United States refers to the observed, persistent disparity in measures of educational performance among subgroups of U.S. students, especially groups defined by socioeconomic status, race/ethnicity and gender. The achievement gap can be observed on a variety of measures, including standardized test scores, grade point average, dropout rates, and college enrollment and completion rates. While this article focuses on the achievement gap in the United States, the gap in a