Answer:
HDI: Sub-Saharan Africa.
Life expectancy: Sub-Saharan Africa.
Enrollment ratio: Sub-Saharan Africa.
GDP per capita: Sub-Saharan Africa.
Explanation:
Sub-Saharan Africa is the most underdeveloped part of the planet, but it is also one of the most populous. This situation creates serious challenges for the weak and often irresponsible governments of the region and makes development difficult.
The region performs poorly in virtually every area measured by the Human Development Index. Although there has been much progress in recent years, the economic development that has started to improve living conditions in Sub-Saharan Africa has been extremely unequal and not benefited all countries.
Glaciers cause erosion by abrasion and [plucking].
The sediment deposited by glaciers is called [till].
When a chunk of ice left behind by a receding glacier melts, the water stays in the kettle, forming a [kettle lake].
he two countries that once formed Czechoslovakia were Slovakia and the Czech Republic.
Once part of the Austro-Hungarian Empire and consequently part of the Soviet Union, the dissolution of Czechoslovakia accompanied the disintegration of socialist federal states. On the opposite of what happened with USSR and Yugoslavia, the separation of Czechoslovakia occurred without any violence on 1 January 1993.
