Crop Water Productivity in Iran, N. Olcay Unver. Soil erosion 4. Properties of water that are important to know for Environmental Science Water is a polar molecule Surface tension Capillary action. The uncoordinated nature of these supply-led developments as well as ineffective demand management practices within the framework of national water policy and management of the co-riparians continue to be the principal causes of water disputes in the region.
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