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.
Active Teens. Active teenage boys engage in physical activity equivalent to walking more than 3 miles per day. Based on USDA estimates, active boys ages 9 to 13 require 2,000 to 2,600 calories per day and active teenage boys ages 14 to 18 need about 2,800 to 3,200 calories each day. Teenage Athletes.