SCI 207 WEEK 3 ASSIGNMENT OUTLINE IF THE FINAL LAB REPORT – NEW
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SCI 207 Week 3 Assignment Outline if the Final Lab Report - NEW
Ground water is the biggest source of drinking water available to human population around the world and is rapidly being polluted because of industrialization and increasing demands of agriculture around the world. A set of simple experiments were done to find out what kind of changes do some of these contaminants cause in ground water. Samples of tap water and bottled water were also analyzed for safety. Chemicals like oil, vinegar and soap cause turbidity, odor and color change in water samples. Tap water is much safer to drink than bottled water because it contains less contamination than bottles water.
Ground water is present below the surface in porous rocks and is susceptible to contamination by natural and especially human related activities. Large amounts of chemicals like soap and detergents, fertilizers and pesticides, pharmaceutical by-products are discharged in to fresh water aquifers every day. These contaminants leach in to the soil and dissolve in ground water. Different contaminants have different rates of solubility and degradation once they reach the underground water table either by simple flow or by the downward movement of rain water. The ground water may become contaminated with both organic and inorganic substances especially heavy metals like Cadmium, Chromium and Nickel, etc. (Christensen et al, 2001). Pharmaceutical wastes can cause cancer in human cells. (Krifa et al. 2013). Many pharmaceutically active chemicals reach groundwater sources almost untreated and cause contamination. (Herber, 2002). Increase in the emissions of carbon dioxide by burning fossil fuels is the single largest cause of environmental...