Lev Vygotsky.
The work of <em>Lev Vygotsky </em>has become the foundation of what has become Social Development Theory. His theories emphasize the fundamental role of social interaction in the development of cognition, as he believed that community plays a central role in the process of "making meaning". In other words, social learning tends to precede development.
It is important to vote for programs rather than for people.
The scale of the market is an example that causes technological progress. If the technologies are being developed, it is made to increase or maximize profit. In microeconomics, the scale of the market is the cost advantage where the cost per unit output decreases but increases the number of output.
The answer would be letter D.
Answer:
They developed many techniques for structures and construction of all types, including some inventions.
Explanation: