The most widely accepted theory is that the Americans (well, at the time still Asians) arrived from Northern Asia to America through the Bering Strait during the Ice Age, when the Strait was either frozen or very shallow (so they could use very primitive boats and do island-hoping).
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 in the number 4 have done this
Answer:
use sin2A as 2sinAcosA and solve
I believe the answer is general environment.
Both of them essentially meant all the factors and conditions that affect economic situation in a nation as a whole.
This usually include things such as the legal policies that made by the government, The inflation rate that experienced, Resource availability, etc
