Question 1: what is?
Playa lake- is a depression within the interior of desert basins and it forms adjacent to coasts in semiarid as well as arid areas. The depression is covered by water which filtrates into the ground or evaporates periodically to leave salts, sand or mud deposit in the depression. Pluvial Lake- this is a lake formed due to glaciation process when large ice sheet create a bigger depression as it melts. This depression is filled with water to for this lake. Ventifact- this is a rock blasted due to sand blowing effect. It is characteristically faceted and has a parallel ...