Which of the following is a piece of evidence? Source 2 states "Economists say, obesity and its consequences cost our society $190 billion annually in health care and lost productivity, so health officials increasingly want to find equally effective strategies to discourage people from over-consuming sugary drinks and fast food." The Clean Air Act of 1970 for example, was put in place to control air pollution on a national level, as well as There is a long and thorough process in which the government decides whether policies like these are necessary and beneficial to the overall quality of life. The regulations that the government is presenting would help save lives, it would slow down the obesity epidemic, decrease the possibility of heart disease, as well as minimize the risk of cancer in children and adults.​