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.
The quartz is more resistant to abrasion and chemically more resistant than the feldspar. The result is that the quartz remains in the stream but the feldspar breaks down to clay or is dissolved.
(this is from coursehero.com)
Earthquakes and Hurricanes!!! idk if i need to expalin it's self-explanatory(:
it would be it laces some areas closer to the sun
-cantidad de muertes anuales (causas naturales)
-cantidad de muertes anuales (causas no naturales)
-cantidad de inmigrantes anuales
-cantidad de emigrantes anuales