Primary Succession on a Rock. 1  Obviously, on bare rock, no develop soil exists. The niche of the lichen (mutualistic relationship between algae and fungi) is to live on the rock where it releases carbon dioxide, which when mixed in rainwater, makes a weak acid (carbonic acid).
To dream of chaos, is a sign that you will go into a difficult period filled with change, uncertainty and unknowns. [Other similar dream interpretations]
Dusting one's store and throwing the dirt on the sidewalk in a dream means business losses. If a merchant sees his merchandises covered with dust in a dream, it means depression and unsalability of his merchandise. (Also see Specs of dust) Dust Dream Explanation  In a dream, dust signifies money.