Many, if not most, people who have been exposed to or heroin, for example, find the initial experience distinctly unpleasant.

Sanjay weighs 185 pounds. at the shopping mall, sanjay can use the stairs or take the escalator. in 30 minutes, how many more calories could sanjay burn by climbing stairs than by standing on an escalator? which activities did you choose from the list to arrive at your answer?