In both 2004 and 2009, which drug contributed to the most emergency room visits by people under 21?

Is a short-term risk associated with tobacco use. a. lung cancer b. heart disease c. stroke d. coughing

Emma recently found out she was pregnant.every thursday evening for the next six weeks, emma and her mother will attend a special program that prepares pregnant teens to become mothers.during the first class, emma learned about the stages of childbirth.what was the order she was taught? first, emma learned about  .then, she learned about the    stage.next, emma learned about  .last, she learned about the    stage

Can someone just look over my questions to see if they right