Nasal congestion Nasal congestion is a stuffy nose, and can be accompanied by blocked ears, sore throat, and more. Pleural effusion Pleural effusion is buildup of fluid in the pleura and can cause difficulty breathing or chest pain.
A hydroelectric dam is essentially a mechanical gateway that can control how often, how much, and how fast the water is allowed to passed through. Water above the dam is collected and stored into a reservoir.
Environmental impacts of hydroelectric power. 1  1. ENVIRONMENTAL IMPACTS OF HYDROPOWER. 2  2. About hydropower The water behind the dam flows through an intake and pushes against blades in a turbine, causing them to turn. 2. About hydropower The water behind the dam flows through an intake and pushes against blades in a turbine, causing them to turn. 2  The turbine spins a generator to produce electricity. 3  The amount of electricity that can be generated depends on how far the water drops and how much water moves through the system.