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.
48 MYTH 6 Marijuana is not as popular as MDMA (Ecstasy) or otherdrugs among teens today. Lifetime prevalence (ever used) rates for students in the 8th, 10th, and 12th grades in 2003: 49 MARIJUANA myths & 13 than two million kids age 12 to 17 reported pastÂ­month marijuana use.