Regular geographic and atmospheric changes that can cause disruption are classified as?

Regular geographic and atmospheric changes that lead to disruptions are indeed classified as natural events. This classification refers to phenomena that occur as a result of nature, such as changes in weather patterns, seasonal shifts, and other environmental occurrences that are not influenced by human activity.

Natural events encompass a wide range of occurrences, including seasonal weather patterns, which can impact various ecosystems and the populations that depend on them. These events are predictable to some extent, occurring at regular intervals and often yielding consistent patterns that can affect both human life and the environment.

Other options, such as human-caused disturbances, refer specifically to changes brought about by human activities, which do not fit the definition of natural events. Irregular climate shifts denote changes that are less predictable or consistent over time, while labeling them as only seasonal weather patterns would ignore the broader range of natural events that can lead to disruptions. Thus, the comprehensive nature of natural events encompasses the regular geographic and atmospheric changes mentioned in the question.