RECOMMENDED LESSONS: Runoff Runoff is precipitation that did not get (infiltrated) absorbed into the soil, or did not evaporate, and therefore made its way from the ground surface into places that water collect. Runoff causes erosion, and also carry chemicals and substances on the ground surface along to the rivers where the water ends up.
Noun. 1. obelisk-a stone pillar having a rectangular cross section tapering towards a pyramidal top. pillar, column-a vertical cylindrical structure standing alone and not supporting anything (such as a monument).
Inspired by Egypt, obelisks punctuate a temple in Byblos, Lebanon, that was likely dedicated to the god Reshef about 1800 b.c By that time Egypt had already been trading with the cities of the eastern Mediterranean for at least a thousand years, importing luxuries such as wine, olive oil, and cedar timbers.