Over millions of years, the forces of plate movement can change a flat plain into landforms such as anticlines and synclines, folded mountains, fault-block mountains, and plateaus.
Making the world better, one answer at a time. If a teenager from 15-17 works part-time over the summer, the average amount of money made in those 3 months is $1,000. If a teenager from 15-17 works part-time over the summer, the average amount of money made in those 3 months is $1,000.
By age 15, nearly two-thirds of American teens have had some kind of employment. By the time teens graduate from high school, 80% will have held a part-time job at some time during the school year. The average high school student works 20 hours per week, and about 10% work full time (35 hours or more). There are many obstacles to teens obtaining employment. Finding reliable transportation is critical, and that can be difficult if the job is not close by and the teenâs parent(s) work.