GEO1SECON1
Mesa, butte, dunes, salt lake, alluvial fan, inselberg, wadis. Oasis and underground water (see Geoactives 2) Cross sections of landforms 123 139. Desert ecosystem p124-125. Biotic processes, food webs, ecosystems. Animal survivors. Staying cool. Food and water supplies. Plant survivors. Upside down beetle p131. Communities in the Sahara Desert ... ................
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