The break down of carbon based molecules into smaller molecules
Colonies of cyanobacteria benefit aquatic organisms because they can be an important source of food to organisms.
The problem with cyanobacteria is that they can be harmful and in an alga bloom then can cover the surface cutting off any light to other plants and producing toxins that kill fish and other life forms.
Both were powerful nations and they served as trading hubs in their respective regions during that time.
A comprehensive world view or worldview is the fundamental cognitive orientation of an individual or society encompassing the entirety of the individual or society's knowledge and point of view. A world view can be based on natural philosophy; fundamental, existential, and normative postulates; or themes, values, emotions, and ethics. Hope that helps.
Warm Front would be your answer
