The Ural Mountains form a natural barrier between European Russia and Siberian Russia true or false

The answer is true

Explanation:

The Ural Mountains form a natural barrier between European Russia and Siberian Russia. The majority of the Russian population lives in the southern part of the Northern European Plain where there are waterways and fertile soil. Ukraine, the second largest European country, has vast stretches of plains and plateaus.

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]