I am not completely sure what this is asking but I believe it would be. That the evidence would be that the fish would be getting less oxygen hence causing noticeable breathing problems (probably best spotted by looking at the lungs).
Sheriffs are considered the county official who are most directly responsible for providing public safety. They are the chief law enforcement officer in the district and they have both civil and criminal jurisdiction. They are also in charge of all the investigations of crimes and at the same time they are responsible for implementing court process and orders. The sheriffs and their agencies’ responsibilities differ significantly in every county. A lot of sheriffs have the tasks and duties of a police chief, yet some supervise agencies with restricted law enforcement duties. Sheriffs are usually in charge of security and managing county jails at local government buildings.
They are can be except for wind weathering i believe. That is caused by the wind.
Ocean trenches are created by the moving apart of tectonic plates, volcanoes are pushed to erupt by the movement of tectonic plates and earthquakes are cause by the movement also.