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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- The process in the Water Cycle by which water is converted from a liquid to vapor by use of heat is called? Condensation Evaporation C) Precipitation D TranspirationWhich of the following statements is not true about bioremediation and biodegradation? Microbes played a critical role in metabolizing the crude oil in the Deepwater Horizon spill in the Gulf of Mexico. Oil-degrading microbes have enzymes that use molecules in the oil as substrates. Phosphorus and nitrogen stimulate the growth of oil-degrading microbes. dding easily metabolized organic matter such as glucose increases biodegradation. The biodegradation of plastics is fast because of their chemical structure and properties.a) Describe two ways water in ponds and lakes can become acidic. b) What is a limiting nutrient? Give an example of a limiting nutrient
- Why is it important to reduce the amount of biodegradable organic matter and nutrients during sewage treatment?Plants absorb dissolved nitrates from soil and convert them into : Free nitrogen Urea Proteins AmmoniaIn your environmental science lab, you test water samples from local bodies of water and find high levels of coliform bacteria. What does this tell you the water is contaminated with? Inorganic fertilizers O Household chemicals Oil Animal waste O Arsenic
- 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.The use of salt and sugar in preserving various types of foods is an application of which of the following concepts? 1) hydrostatic pressure O2) quorum sensing 3) osmotic pressure O 4) pH 5) nitrogen fixationThe Berkeley Pit is a former open pit copper mine located in Butte, Montana, United States. It is one mile long by half a mile wide with an approximate depth of 1,780 feet. It is filled to a depth of about 900 feet with water that is heavily acidic. The water contains different heavy metals and rich in sulfate. Predict the nutritional type that might be isolated from the lake?
- List four biological processes on which water is an indispensable component.A farmer has noticed that his soybean plants produce more beans in some years than others. He claims to always apply the same amount of fertilizer to the plants but he suspects the difference in crop yield may have something to do with the amount of water the crops receive. The farmer has observed that the soybeans on his farm usually receive between 0 to 0.5 inches of water per day, but he is unsure of the optimal amount of water with which to irrigate. Question: state a research question that will directly address the farmer’s problem.Plants absorb several ions and water from soil. For this reason, it is necessary for the soil to have a pH value at the range of 6.0 – 8.0. Again, if the p4 is less than 3.0 or greater than 10, then the beneficial microbes of the soil die. Normally rainwater is slightly acidic, its p# value is 5.5. During thunderstorm nitrogen and oxygen of air react to form nitric oxide, which is oxidized to form nitrogen-dioxide. This nitrogen-dioxide reacts with water vapor and forms nitrous acid and nitric acid. Acid-rain occurs because of it. 2NO2+ H2O → HNO2+HNO3 Examination of soil in a region of Rajshahi revealed that its p" value was 6.43. Nitrogen-dioxide is formed in the air because of thunderstorms, and its concentration is 0.297 ppm. What will be the difference between the p" value of the soil after rain and the lowest standard pH value ?