Bottled Water vs Tap Water Essay Examples

water 33 39 36 42 37.5 On soap-washed penny 15 20 17 22 18.5 Calculations The calculations conducted in the laboratory were supposed to get the average of the four trials Average: (Trial 1 + Trial 2 +Trial 3 + Trial 4)/ 4 Untouched penny average: (33+39+36+42)/4= 37.5 Soaped penny: (15+20+17+22)/4= 18.5 Discussion From the results above, it is clear that the penny that was not soaped required many water droplets before they spilled, as compared to the washed-up penny that requires fewer water droplets before spilling. This phenomenon is attributed to the surface tension and cohesion water properties. Cohesion can be defined as the intermolecular force that manifests between similar water...

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water, flooded with iodine for 1 minute and decolorized with ethanol. Samples are then flooded with Safranin and observed with an oil immersion lens. Halobacterium requires a hypersaline environment. Cultures are incubated at 20 °C and 45°C with an optimal growth being achieved at 42°C. Independent and dependant Variables. Bacteria are divided into Gram-positive and Gram-negative bacteria stained in blue and pink respectively. Definite identification is achieved by the differential media. Morphological observations help in identifying unknowns. Standard Control: Airflow should be reduced while transferring content by closing windows and doors. Storage is done for 24 hours under appropriate...

water, there are still chances that bottle water will contain small levels of contaminants despite the high level of scrutiny done on them as claimed by the bottle companies. The body in charge with regulating bottled water that is the FDA, as still unable to monitor the testing programs as the EPA does with the tap water hence chances of water being contaminated during testing is high and thus people are likely to consume contaminated water. 4. Provide some feedback on your thoughts about drinking water. Is water as good as sports drinks for hydration? Share your source. Drinking water can be tedious, and in many instances, people hardly consume the right amount of water because it is tasteless....

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water. The strategy to be employed is to generate questionnaires with simple questions such as Do you drink tap water or prefer bottled water? Do you use a reusable water bottle? Do you know the health benefits of drinking tap water? Do you think bottled water is safer than tap water? It has proved to be an impossible task to disseminate questionnaires to the entire target population of the University of Maryland because the population is too large. Therefore, the surveys may be conducted through using a sample of various individuals who are a representative of the larger population. The main feature of the samples will be that they ought to be representative of the larger target population....

water and the 40 or 60% show no noteworthy results at reducing the bacterium. One-third of test subject displayed a greater than 50% reduction. The results were enlightening as buying these retail products are a waste of money. Schmitz, K. Kempker, R., Tenna, T Stenehjem, E Abebe, E., Tadesse, E.,  KachaJirru E., and Henry M Blumberg, (2013). The effectiveness of a multimodal hand hygiene campaign and obstacles to success in Addis Ababa, Ethiopia Antimicrobial Resistance, and Infection Control20143:8. DOI: 10.1186/2047-2994-3-8 Retrieved from http://aricjournal.biomedcentral.com/articles/10.1186/2047-2994-3-8 Schmitz et al write that hand hygiene must be the critical foundation of...

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