The development of the population policies in the 20th century were due too multiple factors, the most important of which were:
- Fertility rates were starting to lower down, especially in the ''western world'' in the second half of the 20th century.
- Increased demand for labor force.
- The World Wars, especially the second one caused huge migration movements.
- Millions of people from less developed countries were trying to migrate to more developed countries in search of a better life.
Answer:
（C）Molten rock rises up through the crust.
Explanation:
I took the test on edg
I think It’s C Maria Theresa
Geographers recognize that the scale of observation also maters for understanding Geographic processes and phenomenons of the place
