Answer: See explanation
Explanation:
The Heckscher-Ohlin model refers to an economic theory which states that countries will export the goods that they can produce efficiently and in large quantities while they'll import those that they are less efficient in producing.
According to the H-O theorem, the pattern of trade that exists between countries as a result of the characteristics that are possessed by the countries. In such case, a capital-abundant country can produce a capital intensive good efficiently and therefore should export the capital intensive good. Likewise, a labor-abundant country can produce labor intensive good efficiently and therefore should export the labor-intensive good.
The relationship between the human foragers and the environment was much different than the one of the modern times. The foragers where directly dependent on the environment for their survival. They were not producing anything, so they were using the environment to get food and all the resources they needed. Nowadays, the relationship between the humans and the environment is much different, as most of the humans are directly dependent on the environment for the survival. This has led to have much less appreciation of it and very often even destroying it. The humans' relationship with the environment nowadays is much more recreational, scientific, or to use it for their further development.
Answer:
A. Rural to urban migration increases the population density to eastern China
Thee answer to this question is D: increased the technical demands on musicians.