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Dhananjaya Madhushanka.

posted Oct 8, 2015, 12:00 PM by Upali Salpadoru   [ updated Oct 8, 2016, 9:57 PM ]
If the current going out of a battery comes back to the battery, after completing the circuit, why do batteries run down?



Can i get some informations about kindom of bacteria?
Thank you for the question. There is a lesson on bacteria in the web site. If you needmore explanation on any section please let us know. Please feel free to send us more questions.
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