Answer:
Due to erosion.
Explanation:
An unconformity refers to a type of geologic contact that occurs boundary between rocks. The main causes of Unconformities is erosion, wears away rocks and rock deposits never form. The most common cause of unconformity is erosion in which the younger rocks spread on older rocks with the passage of time. In Cardenas layer, erosion is also occurs that leads to unconformity in that region which leads to the formation of boundaries in the rocks.
A river is not considered wetland. Wetlands are muddy areas with no distinguishable waterflow, usually
Heat energy would be the fuel for a hurricane. Also the warmer the water is, there is more moisture in the air, which can lead to even larger and stronger hurricanes