Hlo friend how are you spiderman​

Landfills are waste disposal sites. they are often man-made depressions in the ground covered with a lining designed to prevent any leakage of waste materials. however, landfills can leak through the base resulting in negative impacts on the surrounding environments. what negative impact to the environment is caused by organic and inorganic constituents that are dissolved by rainfall in the landfills?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

What materials must dams have to produce electricity, and what must occur?