Eutrophication - Study guides, Class notes & Summaries

Anthropogenic eutrophication - whereby water bodies, such as lakes, estuaries, or slow-moving streams receive excess nutrients that stimulate excessive plant growth (algae, periphyton attached algae, and nuisance plants weeds). This enhanced plant growth, often called an algal bloom, reduces dissolved oxygen in the water when dead plant material decomposes and can cause other organisms to die arrival of captain cook - 1778 bimagnification - small eats poison, poison is stronger in predator ...

Seeding of BOD samples is necessary when samples - (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 ...

FINAL EXAM ESC1500 LAB LATEST UPDATE. Coal accounts for 52% of electricity generated in the U.S. The average home uses 1,000 a month. It takes 2.25 lbs. of coal to make 1 kWh of electricity. How much coal is required to generate enough electricity for one single day in an average home? - CORRECT ANSWER (0.52*1,000*2.25*1)/30 days What is the definition of Green Energy? - CORRECT ANSWER is renewable, cleaner for the environment, example sources: wind, solar, hydro-electric What are four ...

EHST 2110 Exam 2 ECU Questions and Answers 100% CorrectEHST 2110 Exam 2 ECU Questions and Answers 100% CorrectEHST 2110 Exam 2 ECU Questions and Answers 100% CorrectEHST 2110 Exam 2 ECU Questions and Answers 100% Correct Is technology the answer to environmental health? - ANSWER - No. Education, surveillance, inspection, and consultation are necessary. Takes up oxygen in the water. Caused by Eutrophication, that puts nitrates and phosphates from agriculture runoff (manure/fertilizer). - ANSW...

Nuclear Fission: the splitting of an atomic nucleus into approximately equal parts, either spontaneously or as a result of the impact of a particle usually with an associated release of energy. Source: "Nuclear Fission." The Free Dictionary. Farlex, n.d. Web. 08 Feb. 2017. CORRECT ANSWER Nuclear Fusion: a reaction in which two nuclei combine to form a nucleus with the release of energy Source: "Nuclear Fusion." D. D, n.d. Web. 08 Feb. 2017. CORRECT ANSWER The accident was rated 7 o...

Texas Wastewater Class A Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct | Grade A Q: The sludge from a primary clarifier should percent solids? Answer: 4% to 6% Q: What is eutrophication in a pond system? Answer: Enrichment with nitrogen and phosphorous Causes algae blooms (b and c) Q: How often should pH meters be calibrated? Answer: Daily Q: In Texas, pH meters are required to be calibrated on how many buffers? Answer...

Wastewater Treatment Exam 1 Questions and Answers 100% Correct Wastewater Treatment Exam 1 Questions and Answers 100% Correct Wastewater Treatment Exam 1 Questions and Answers 100% Correct Wastewater Treatment Exam 1 Questions and Answers 100% Correct BOD - ANSWER-Biological oxygen demand - an indication of oxygen demanding organisms in water (how much organic matter is in the water) High Quality Water - ANSWER-High ppm low BOD 5-15 mg/L Low Quality Water - ANSWER-low p...

a population is defined as: a. organisms that live together b. organisms of the same species that live in the same area at the same time c. a croup of similar organisms whose members interbreed with one another d. all of the organisms that live together in an area, plus the physical environment that they live in e. all organisms at a given trophic level within a particular community - b a scientific theory is: a. the same thing as a scientific law b. different from a scientific law in th...

Iowa Commercial Pesticide Applicators: Aquatic Pest Control (Category 5)C1: Describe the value of plants in aquatic ecosystems - correct answer They are primary producers in the aquatic food chain, produce oxygen, provide shelter & sites for spawning, can dampen the force of waves, use nutrients & improve water clarity, stabilize the bottom material C1: Identify specific problems caused by aquatic weeds - correct answer 1) Restriction of recreational activities, 2) foul taste & odor, 3) hinde...