WHY shouldn't we throw away batteries?

 

Lolsciences

 Batteries

Each battery contaminates about 20 square meters of land or 400 liters of water with heavy metals. That's more than the average swimming pool is 25 meters long. 

 

As it turns out, the reason is that batteries contain various heavy metals that, even in small amounts, can be harmful to human health.  

 

These include zinc, manganese, cadmium, nickel, mercury, etc. After throwing away batteries corrode (their metal coating is destroyed) and the heavy metals get into the soil and groundwater. From groundwater, these metals can enter rivers and lakes used for drinking water.

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