Uploaded on 2015-12-06 by George1989

A. Drinking Water B. Purification of Water C. Soil Formation D. Cultural Services (in Groningen) Pictures: A. Source: (http://eduweb.eeni.tbm.tudelft.nl/TB141E/imgs/drinkwater-bronnen.png) ![enter image description here][1] B. Source: (https://www.noorderzijlvest.nl/ons-werk/beheer-onderhoud/beheer-bouwwerken/rioolwaterzuivering/rwzi-garmerwolde/) ![enter image description here][2] C. Source: (http://www.slideshare.net/kvguser/landschappelijk-nederland-herzien) ![enter image description here][3] D. Source: (http://www.dvhn.nl/nieuws/groningen/groningen-investeert-in-cultuur-11690853.html) ![enter image description here][4] [1]: https://edxuploads.s3.amazonaws.com/14493928897401415.png [2]: https://edxuploads.s3.amazonaws.com/14493928547312229.png [3]: https://edxuploads.s3.amazonaws.com/14493932774782385.jpg [4]: https://edxuploads.s3.amazonaws.com/14493930848791012.jpg