IEB Geography Test on Rivers (Geomorphology) Grade 012 Questions & Answers 2023/2024

IEB Geography Test on Rivers (Geomorphology) Grade 012 Questions & Answers 2023/2024 river system correct answers a river and its tributaries drainage basin correct answers the area from which a single stream or river and its tributaries drains all of the water catchment correct answers the surface area from which runoff flows to a river, a dam or a wetland overland flow correct answers water flowing across the soil surface on a hillslope, usually resulting from precipitation falling faster than the ground can absorb it watershed correct answers An ecosystem where all water runoff drains into a single body of water tributaries correct answers small river or stream that flows in to a larger river or stream; a branch of the river water table correct answers level below which soil saturated or filled with water Periodic river correct answers only flows during the rainy season (water table is lower than the bed of river during the dry season) Radial drainage pattern correct answers A system of streams running in all directions away from a central elevated structure, such as a volcano. deranged drainage pattern correct answers no apparent pattern- rivers flow randomly over a flat often ice source drainage density correct answers _________ ___________of a basin is defined as the total length of the channels divided by the basin area