
8.E.1.3 REVIEW
Quiz by Beth Hall
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14 questions
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- Q1Which is of the following is a common source of nitrates?industrial wasterunoff from fertilizercarbon dioxidehuman waste30s
- Q2Which of the following is common source of phosphates?runoff from fertilizerindustrial wasteseptic tank leakagesewage30s
- Q3Which of the following is an example of a physical water quality indicator?fishdissolved oxygensalinitytemperature30s
- Q4What is dissolved oxygen?how clear or cloudy water isthe amount of oxygen that is dissolved during chemosynthesisthe amount of oxygen in water that is available for aquatic organisms to useoxygen produced from aquatic organisms30s
- Q5As temperature of water increases, it will dissolveno change in oxygen disolutionless oxygenmore oxygen30s
- Q6If water has high turbidity, thentemperature increases and dissolved oxygen stays the sametemperature increases and dissolved oxygen decreasetemperature increases and dissolved oxygen increasestemperature decreases and dissolved oxygen increases30s
- Q7If water is not-potable, what does that mean?it is safe for all activitiesit is not safe for cleaning or bathingit is not safe to drinkit is safe for drinking30s
- Q8High salinity =high turbidityhigh biodiversitylow biodiversityhigh DO30s
- Q9What are the two factors related to biological indicators that show water health?pH level and number of macroinvertebratespresence of macroinvertebrates and DOsalinity and turbiditypresence and numbers of macroinvertebrates30s
- Q10What is the stage in the water treatment process where air is added to wastewater?disinfectionaerationfiltrationcoagulation30s
- Q11When dirt and other suspended particles get stuck together so they can be easily removed.disinfectioncoagulationfiltrationaeration30s
- Q12What happens during sedimentation?gravity is used to pull particles of floc to the bottom of the waste containerwater is passed through sand and pebble filters to remove impuritiesdisinfectants are added to the water to purify and kill harmful organismsdirt and other particles get stuck together so they can be easily removed from water30s
- Q13Which step in water treatment occurs when water is passed through sand and pebbles to remove impurititessedimentationcoagulationfiltrationdisinfection30s
- Q14Why might a disinfectant (like chlorine) be added to water during the wastewater treatment process?to allow dirt and other particles to stick together for easier removalto help with filtrationto improve taste and potabilityto purify water and kill harmful organisms30s