The density of the blade is constant throughout its length, and so a 10%-mass. fragment will have a cross-sectional area of 10% of the full blade. In practice, the. area of a 10%-mass fragment will vary depending upon its shape, and upon whether. it consists of the only the outer shell or the internal beams as well.
Alcohol is the most commonly used and abused drug among youth in the United States.1. 1  Excessive drinking is responsible for more than 4,300 deaths among underage youth each year, and cost the U.S. $24 billion in economic costs in 2010.2,3.
Alcohol. Alcohol is a depressant that is sold as beer, wine or liquor. According to the National Institute on Alcohol Abuse and Alcoholism, one in two teenagers consumed alcohol in the past year. Although many teenagers consider it fun, it is very dangerous.rescription drugs are highly beneficial â for the people to whom they are prescribed. When unnecessarily taken, these drugs are very dangerous. Prescription pill use can be categorized by three types: pain relievers, sedatives and tranquilizers, and stimulants.