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.
According to the National Park Service (NPS), summer park rangers earn starting salaries of $18,687. These rangers are considered seasonal employees. They may be responsible for educating guests, research and for rule and law enforcement.