text: If teachers couldn't have the program for the Facial Action Coding System on their school computers they could always jusrt smile and try to be happy. In paragrqaph nine the text states, "According to the Facial Feedback Theory of Emotion, moving your facial muscles not only expresses emotions, but also may even help produce them." The author also states, "A renowned drama coach, Constantin Stanislavsky, had his actors carefully reproduce smiling and frowning as a way of creating these emotions on stage. Empathy may happen because we unconsciously imitate another person's facial expressions." This shows that of a teacher smiles or laughs or changes her voice to a more upbeat pitch, the students may be more happy with the lesson.              Transportation is a large necessity in most countries worldwide. With no doubt, cars, buses, and other means of transportation make going from place to place easier and faster. However there's always a negative; pollution. Although mobile transportations are a huge part of daily lives, we are endangering the Earth with harmfull greenhouse gases, which could be suppressed.