What is the only birth control method that prevents pregnancy and 100%?

If hot water is not available in the ware washing sink, food establishments can still serve food using

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above

Is psychology a science? use evidence form the article to explain you answer.