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.
Marijuana use ranks second behind alcohol in regards to the most commonly abused drugs by teenagers. There has been an increase in marijuana use among teenagers due to the increasing societal attitudes towards tolerance and perceptions that marijuana is not a dangerous drug.
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.