Waterborne microorganisms can survive in water with small amounts of nutrients but thrive in polluted water, which is rich in nutrients. Why do you think that polluted water is considered rich in nutrients?
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- A food consumer stored their food at 4 degree celsius without washing, hoping to preserve it for a few weeks. However, during the first week, it was noticed that the food had degraded and rotted. What are the possible reasons behind this? Write down the names of the possible organisms that may have degraded the food. What are the possible solutions to the problem? (Write down 3 solutions)It is common for bogs to have a pH of 3, why does this make them nutrient poor? 1. Low pH reduces the solubility of many nutrients. 2. Low pH increases nutrient binding to organic matter. 3. Low pH prevents the growth of the microorganisms responsible for the breakdown of organic matter. 4. Low pH reduces cation exchange.Why is it important that decomposers such as bacteria release nutrients?
- Which of the following requires aerobic conditions? Question 7 options: A) nitrogen fixation B) sludge digestion C) primary sewage treatment D) secondary sewage treatmentWhat type of organisms must consume autotrophic organisms to get the molecules they needWRITTEN WORK #1: FACT or BLUFF 1. Nitrogen is a nutrient necessary for growth of all living organisms. 2. About 71% of the Earth's surface is water-covered. 3. Earth is 71% water and 29\% land. 4. Sometimes, the word " nosphere^ prime prime is used instead of the word "air." 5. Non-consumptive water use includes water that can be reused. 6. A pH test measures the alkalinity or acidity of water. 7. E. coli is a fecal coliform bacterium that should be present in drinking water. life. 8. High level of oxygen in water can be harmful to aquatic organisms. 9. Warm water has a higher conductivity. 10. Good air quality is a requirement for preserving the exquisite balance of
- Which of the following processes is described in the reaction shown in the picture? a.denitrification b.nitrification c.nitrogen fixation d.assimilationare water bodies natural factor or human factor?Why is it important to reduce the amount of biodegradable organic matter and nutrients during sewage treatment?
- Why do raw household ingredients such as granulated sugar and cooking oils never go bad in normal conditions? Extrinsic factors (room temperature) These foods have a very low Aw ph of these ingredients is too low to support spoilage organisms They do spoilWhat determine what molecule will act as the predominant electron acceptor in a sediment layer? a. the electron acceptor with the LOWEST energy will predominate b. the electron acceptor with the HIGHEST energy will predominate c. Oxygen is always the electron acceptorndustrial effluent from a metal processing factory released Cu into a nearby river without any treatment and causes ecological damage, particularly to the fishes and algae found in the river. a. Analyze FIVE aspects/factors why using either fish or algae has limitations in metal biomonitoring program?