<h2>
The End of Trans-Saharan Trade Routes:</h2>
Explanation:
The factors that led to the end of trans-Saharan trade routes are:
- Civil unrest due to collapse of the Songhay Empire, the Timbuktu, by the Morracans in 1591
- The extreme desert conditions like extreme climates, excessive heat, lack of water and food etc made the travel logistics very tough. This made people opt for other transport systems
- Huge advancements made in maritime travel
- Exploration of West African trade routes
- Economic, political and social changes which led to the end of trans-Saharan trade routes
Answer:
Quartz is not pure in this rock.
Explanation:
When quartz shows effervescence in contact with an acid, it means that it is not in its pure state, but rather related to other substances that may be cementing the quartz. This effectiveness is caused by substances that do not react like quartz, such as calcite.
In this case, we can conclude that in relation to the calcium-rich rock shown in the question above, the calcium is not pure, but it is likely to be related to calcite, or other material that does not react to acid.
Answer:
Dam and irrigation system and hydroelectric power are used in some countries.In many countries in this region technology has not been able to meet the demand for water.The desalination process is very costly to remove salt from water.
Explanation:
India - Deccan Plateau
Pakistan - Khyber Pass
Sri Lanka - Mount Pidurutalagala
Nepal - Mount Everest
The correct answer is B: Developing skilled-labor Industries.
Austria followed Switzerland's model by developing skilled-labor Industries. Austria as an extended market economy as well as a skilled labor force. Modern Austria economy features include highly developed agricultural sector, a large service sector.
