The correct answer is A. a primary group.
Primary group refers to individuals following other people's example when doing something. Here, Mary started using the language of that particular group and dressing like them. Thus, they represent her primary group in her life.
The answer is the biological approach. The biological approach trusts us to be as a result of our hereditary qualities and physiology. It is the main approach in brain research that analyzes contemplations, sentiments, and practices from an organic and hence physical perspective. Consequently, all that is mental is first physiological.
According to an analyst "The Chinese decide where to make islands by looking at the furthest possible range of planes, and radio stations, and then work where they need to build to make sure they have every area covered. Currently they have a neat triangle with range that extends across most of the South China Sea"
So, they are building islands to give them supremacy in the South China Sea, an important navigation passageway.
The correct answer to this question is letter "a. total stopping distance." In an emergency situation, your total stopping distance is the distance you will travel between seeing the danger and putting your foot on the brake pedal. Hope this helps answer your question.