I believe the answer is: Outer
In this context, outer limit of the zone of proximal development refers to the type of accomplishment that we couldn't achieve without the help of other individuals. In the scenario above, learning algebra is the form of accomplishment and the expert instructor is the individuals who had to help him if he want to succeed.
<span>Germany & Austria should be unified because Austria spoke German and shared some other common beliefs.</span>
Answer: Sana's ability to recall geographic facts that she learned at school is an example of:
D. Semantic Memory
Explanation: Semantic Memory is a more structured record of facts, meanings, concepts and knowledge about the external world that we have acquired. It refers to general factual knowledge, shared with others and independent of personal experience and of the spatial/temporal context in which it was acquired.
It, therefore, includes such things as types of food, capital cities, social customs, functions of objects, vocabulary, understanding of mathematics, etc.