The countries the sub-Saharan Africa are those that have the high rates of the position density and those that have experimented the rapid rise of population is due to the high fertility rates and the rising the process of the commodities and such as the cold and oil is getting more and more expensive as the rose of the inflation in the economy.
Vegetation catches precipitation on its leaves, slowing it down or holding it for a while. This gives the ground more time to absorb the water, so there's less runoff.
Earthquakes and tsunamis are caused by pressure building up in the Earth's crust along the intersection of tectonic plates, while tornadoes are created by updrafts and downdrafts interacting with wind.
Dr luceros team used looters trenches rather than dig new ones because they wanted to protect the site from further damage. This is because to prevent further destructions from their activity.