Energy release associated with rapid movement on active faults is the cause of most earthquakes. A fault plane is the plane that represents the fracture surface of a fault. A fault trace or fault line is the intersection of a fault plane with the ground surface.
The average IQ of a teenager is 100. IQ tests take age into consideration, so the average score is always 100, regardless of a person's age.
For any given age, a measurement between the 5th and 85th percentile on the BMI-for-age charts is considered healthy. For a boy who's just turned 13, BMI is anything between 15.5 and 21.9. As adolescents get older, their BMI increases, so the healthy range for a boy who's just turned 18 would be between 18.2 and 25.7.