Count sheep, count down or count up... or just clear your mind whilst looking at a single spot on your ceiling.
Which one of the following choices is an effective way to prevent low-back pain?
c. maintain correct posture.
Explanation:
Risk-Taking—Research shows the brain keeps developing well into the twenties, during which time it continues to establish important communication connections and further refines its function. Scientists believe that this lengthy developmental period may help explain some of the behavior which is characteristic of adolescence—such as their propensity to seek out new and potentially dangerous situations. For some teens, thrill-seeking might include experimenting with alcohol. Developmental changes also offer a possible physiological explanation for why teens act so impulsively, often not recognizing that their actions—such as drinking—have consequences.
The average weight for a girl should be around 85 - 100 pounds
Good Luck! :)