One kind of geographic model is a demographic transition model
There is about 318.9 million people. Always remember a baby is born every minute:)
A: Temperature,climate,fertile land
( the three factors )
Answer:
V≈6178.57
Explanation:
V=1
4h﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=1
4·18.2·﹣284+2·(28·28)2+2·(28·28)2﹣284+2·(28·28)2﹣284
≈6178.57164
<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
