<prompt> Translate the following text to SwahiliThe condition of a lake or stream improves as the the ANC increases, moving from chronically acidic e? episodically acidic e? not acidic.  <response>: Hali ya ziwa au kijito inaboresha wakati ANC inaongezeka, ikihama kutoka kwa asidi ya muda mrefu hadi asidi ya vipindi. 