Answer: Option [B]Playas are located in low lying areas in the desert. Playas occupy the flat central basins of desert plains. They require interior drainage to a zone where evaporation greatly exceeds inflow.
Answer: Option [A]Needles are associated with the process of Attrition.
Answer: Option [A]Blowouts are the formation of Wind erosion. A blowout is a depression or hollow formed by wind erosion on a preexisting sand deposit, formed together with an adjoining sand accumulation for which sand is derived from the depression or other sources (Glenn 1979; Hesp 2002).
Answer: Option [A]The correct answer is Kames. A kame, or knob, is a glacial landform, an irregularly shaped hill or mound composed of sand, gravel and till that accumulates in a depression on a retreating glacier, and is then deposited on the land surface with further melting of the glacier.
Answer: Option [D]Sink-holes and dolines are a formation of erosion in karst region. Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. Karst is most strongly developed in dense carbonate rock, such as limestone, that is thinly bedded and highly fractured.