I would say D the Billingsella Corrugata, it IS in the oldest recorded time line, so by theory, it's the oldest (Don't quote me on that, I'm not %100)
A. Eclipses only occur during full and new moons.
Water Erosion
Wind Erosion
Glacier Erosion
Sea Erosion
Soil Erosion
South asia can be divided into three basic kinds: tropical, dry, and temperate. the Northeast East from tropical to subtropical temperature moving West to moisture and the elevation change causing a steppe and a desert climate that is like the Middle East.
Need for raw materials because of the plentiful amount that is in Africa, such as gold, diamonds, wood, and coal.