sentences: seawater is a kind of salt water & ocean water level rising causes seawater to flood coastal area ->  ocean water level rising causes salt water from the ocean flood the coastal area  ocean water level rising causes salt water from the ocean flood the coastal area & coastal wetlands are found in coastal area ->  ocean water level rising causes salt water from the ocean flood the coastal wetlands  ocean water level rising causes salt water from the ocean flood the coastal wetlands & as the salt water absorbed by a wetland increases , the salt content of the wetland will increase -> ocean water level rising causes the salt content of coastal wetlands to increase