Final answer:
The severity of negative consequences in a project's life span is dynamic and may change over time due to factors such as increased complexity, unforeseen obstacles, or external risks.
Step-by-step explanation:
In project management, the severity of negative consequences throughout a project's life span is dynamic and may change over time. This is because projects can increase in complexity, run into unforeseen obstacles, or external factors may introduce new risks. For example, understanding the implications of c) an increasing rate of negative values over time is crucial for effective risk management. Moreover, with reference to occurrence economic risks, individuals and project managers seek to mitigate the impact of scenarios that are long term, stable, and not easily changed (d). Such scenarios indicate that not all negative outcomes are predictable or follow a linear pattern, but rather can be influenced significantly by external, sometimes uncontrollable events like natural disasters or economic downturns.