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Essential nutrients
These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.
Vitamins
The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.
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- Source: http://www.hrrsa.org/tours/virtual-tour Questions refer to the treatment of the liquid waste water. How is the activated sludge removed? Why does the treatment facility add chlorine to the water? What is the purpose of aerating the water before it is released?Match the descriptions with the correct type of water pollution. Group of answer choices run-off from mines [ Choose ] plant nutrients organic chemicals oxygen-demanding wastes inorganic chemicals thermal sediments infectious diseases heavy metals nitrates and phosphates [ Choose ] plant nutrients organic chemicals oxygen-demanding wastes inorganic chemicals thermal sediments infectious diseases heavy metals bacteria and viruses [ Choose ] plant nutrients organic chemicals oxygen-demanding wastes inorganic chemicals thermal sediments infectious diseases heavy metals cooling machines of nuclear power plants […State four reasons why even degradable contaminants ten to persist in groundwater
- Which organism is used as indicator of water quality?math coloumn a to coloumn b coloumn a coloumn b 6. All drinking water service providers’ water samples must be tested for themandatory core parameters for water quality.7. Secondary parameters for water quality are for determining the presence ofchemical impurities that are directly causing water-borne acute and chronicdiseases.8. If water samples of the Baguio water district are positive for thermotolerantcoliform and with> 1.5 mg/L residual chlorine, the LGU must monitor the watersupply for 7 days.9. The accreditation of water testing laboratories is valid for one year.10. Water analysis test result forms may contain an interpretation of the result withstated reference. a. true b. falseWhat other methods can be used to determine the microbiological quality of water? What infectious diseases can be transmitted by polluted water? Give at least 2 viral, 2 bacterial, and 2 protozoan waterborne infectious agent
- Discuss briefly the following:(a) Radioactive wastes(b) Defunct ships and e-wastes(c) Municipal solid wastesA water quality control board reports that water is unsafe for drinking if the proportion of nitrate concentration exceeds 21% ppm. Water specimens are taken from a well. ?o: ??:Using the knowledge on biological wastewater treatment , what conclusion would you derive from the data given at the end? Parameter Unit TAI-I-11 1007 TAI-E-11 1007 AIR-I-11 1007 AIR-E-11 1007 CB-I-11 1007 CB-E-11 1007 COL-I-11 1006 COL-E-11 1006 MAC-I-11 1006 MAC-E-11 1006 SS mg/L 204 28 40 16 36 26 196 132 132 122 COD 503 83 256 149 156 63 437 234 459 269 BOD5 266 28.0 102 52.8 72 14.6 232 89.2 168 55.2 NH3-N 23.6 14.8 30.7 18.3 14.2 0.5 20.1 4.0 21.3 18.5 TP 6.4 3.2 10.9 7.6 3.0 1.9 4.2 2.4 4.6 4.5 TN 43 29 45 30 19 10 29 15 27 25 Fecal Coliforms (FC) MPN/ 100 mL 1.4x104 8x102 2x103 1.7x103 3.4x104 8 4x103 23 1.7x104 9x103 Color Unit Pt/Co 191 45 283 187 154 26 108 37 138 57 pH 7.34 7.59 7.62 7.64 7.15 7.79 7.03 7.46 7.35 7.32 Note…
- Discuss the biologic thes of water to living organisms Not less than 2 pages and not more than 4Based on the information provided from the report of the West Virginia Chemical Spill and The Human Impact on the Natural Environment, what are the effects humans can have on bodies of water?Choose the correct answer. Encircle the letter of the correct answer. 1.) These processes involve a change in the physical state of water except: a. Evaporation b. Preciption c. runoff d. transpiration 2.) The following are dangerous contaminants from flood water except: a. Diarrhea b. leptospirosis c. organic chemicals d. viruses 3.) These re process in a water treatment plant except: a. Collection of water from watershed b. Coagulation c. filtration d. sedimentation 4.) Which of the following is the fastest way by which you can get safe drinking water? a. Boiling b. Collecting rainwater c. forest d. watershed and dam 5.) Which of the following does NOT help collect and or store water? a. Aquifer b. Concrete roads and parking lots c. forest d. watershed and dam