Due to movement of electrons, {HEAD ~ water} in {TAIL ~ contact} with the semiconductor electrode is decomposed, so that oxygen is produced 
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Due to movement of electrons , { HEAD ~ water } in { TAIL ~ contact } with the semiconductor electrode is decomposed , so that oxygen is produced
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH