Answer :
Final answer:
Global population growth since the 1800s is primarily due to industrialization, while the Demographic Transition Model faces limitations by assuming uniformity across countries. Forced migration reflects movement due to violence or disaster, and Sub-Saharan Africa currently shows the highest natural increase rates. Understanding these factors is crucial for studying population dynamics.
Explanation:
Factors Contributing to Global Population Growth
The global population has increased significantly since the 1800s due to several crucial factors. Among the options provided, the answer is C. Industrialization. The Industrial Revolution led to improvements in technology, agriculture, and healthcare, which drastically reduced death rates and improved living conditions. This, in turn, encouraged population growth as people lived longer and healthier lives.
Limitations of the Demographic Transition Model
The Demographic Transition Model (DTM) describes the transition of a country from high birth and death rates to low birth and death rates as it develops. However, its main limitation is that C. It assumes all countries follow the same path. Different countries may experience unique socio-economic factors that affect their population dynamics, which the DTM does not account for.
Types of Migration
Migration can be classified into various categories based on the reasons behind it. When people are forced to leave their homes due to violence or disaster, it is classified as D. Forced migration. This type of migration is often involuntary, as individuals flee life-threatening situations.
Regions with Highest Natural Increase Rates
Currently, the region experiencing the highest natural increase rates is C. Sub-Saharan Africa. Factors such as higher birth rates and improvements in healthcare contribute to significant population growth in this area.
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