These two relationships. Links to related and occur simultaneously, and Exxon could not rely on it alone, without involving the relationship of elements within the ecosystem. There is already balanced by nature.
Both these characteristics Related Links And occur simultaneously rely on each other, can not live alone, without regard to the elements. Relationships within the ecosystem There is already a natural balance.
The relationship of both this style connection. Happen at the same time rely on each other and could not live alone without associated with elements. Relationships within the ecosystem.