This page discusses deserts as arid regions covering one-third of Earth's surface, formed by erosion and weathering processes. They host specialized flora and fauna adapted to extreme conditions. Vari...This page discusses deserts as arid regions covering one-third of Earth's surface, formed by erosion and weathering processes. They host specialized flora and fauna adapted to extreme conditions. Various desert types are defined by precipitation and temperature, with unique geological features like dunes and stone pavements. The text explores human interaction, cultural significance, and threats like desertification.