<span>according to overlapping-waves t</span><span>heory, when given challenging problems, children try out various strategies and observe which work best, which work less well, and which are ineffective.
Overlapping-waves theory made the assumption that after doing the same thing over and over again, people will find a unique and personal way to achieve the completion of that task which give them the most efficiency. This occurrence led to the formation of expertise in most people.</span>
The correct answer is Appalachian Mountains
Art and Artifacts
Give me brainliest please!
Answer :
A A positive feedback loop involving the migration of goods and services away from an urban center
Explanation:
Urban blight or urban decay(a sociological process) that occurs when a city or part of it falls into decrepitude and as such could encourage migration from there
It results from different causes or combinations of inter-related socio-economic conditions such as the city's urban planning decisions tight rent control or general economic problems ,the poverty of the local populace etc.