Answer:
480 million years ago
The Appalachians first formed roughly 480 million years ago during the Ordovician Period, and once reached elevations similar to those of the Alps and the Rocky Mountains before they were eroded.
Explanation:
so b is your answer
Answer:
They include;
1. Research
2. Consultation
3. Initial Design
Explanation:
Program planning and design entail all the processes and procedures needed to set up a program. A program is a set of activities that are aimed at accomplishing a specified task. In order to set a program in place, it is necessary that research be conducted. This will ensure that details about the program and all information that is required for its success are available.
Proper consultation should be made to the important stakeholders to get their thoughts on the program. Armed with the foregoing, an initial design can then be carved for the program.
As trade intensified between Africa and Asia, prosperous city-states flourished along the eastern coast of Africa.