Which of the following is a major difficulty in the Russian economy? Group of answer choices

lack of useful energy sources

lack of good farmland

difficult transportation

lack of natural resources

C

Explanation:

d. stage 4

explanation:

the existence of some kind of demographic transition is widely accepted in the social sciences because of the well-established historical correlation linking dropping fertility to social and economic development.[1] scholars debate whether industrialization and higher incomes lead to lower population, or whether lower populations lead to industrialization and higher incomes. scholars also debate to what extent various proposed and sometimes inter-related factors such as higher per capita income,lower mortality, old-age security, and rise of demand for human capital are involved.[2]

tension is the type of stress that results when two tectonic plates diverge .

explanation: