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.
Top 10 Reasons Why Teens Use Drugs. on August 23, 2011 @ 11:21 in Teen Drug Abuse. Teenage drug addiction is something that parents never fully understand. They often wonder how it started and try to place the blame on peers. Although peers can be a big influence, many teens abuse drugs for other reasons. Sunhawk Recovery Center has compiled a list of top 10 reasons why teens turn to drugs: 1. Stress from school 2. To gain acceptance from others 3. To increase self-esteem 4. Curiosity 5. Self-medication for an undiagnosed mental illness 6. Boredom 7. Parental influence from drug abusing parents 8. Easy access 9. To get attention 10. Genetic addiction