(i) Differentiate between Surface water and Ground water. (ii) Mention two reasons to explain as to why we are facing water scarcity in recent times.
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Surface water- It is water found in a river, lake or other surface cavities.
Surface water is usually not very high in mineral content. Surface water is called as soft water due to its less mineral content.
Groundwater is water contained in or by a subsurface layer of soil or rock.
Groundwater commonly contains less contamination than surface water because the rock tends to act as a filter to remove some contaminants. Due to the minerals picked up while filtering through the rocks, groundwater is typically considered to be hard water.
Majority of the water resources are contaminated with the bio and chemical pollutants.Increased industrialization and construction activities, the changing climatic conditions are also the reasons for water scarcity in India.