Some of their concerns are:
- The fear that the teenage employees haven't learn enough skill set to finish the jobs.
- Lack of sense of responsibility
- Difficulties in managing their time since they have to balance their work time with their education.
- Immature attitude that might drove potential customers away
In 1970 when the Aswan High Dam was completed, the annual Nile floods and sediment stopped for most of Egypt's civilisation which lived downstream. In addition to creating electricity, the dam allowed Egyptians to control the flow of water and build upon the Nile's banks with certainty that it wouldn't be flooded.
Answer:
the Appalachian Mountains
Explanation: