Complex sentence: The climatic feature which permits the growth of vegetation on the slopes of the mountains rising above Paposo is the Garua or Camanchacas--cloud banks caused by the cold waters of the ocean.
Split into simpler sentences: The climatic feature which permits the growth of vegetation on the slopes of the mountains rising above Paposo is the Garua or Camachaca. Camanchacas are cloud banks caused by the cold waters of the ocean.