[SOLVED] Soil Pollution

Source Pollution Student: Yusuf Hussein***Use complete sentences for all answers! Total assignment points is 40 points.Directions: Take notes as you watch the video!Important ideas to understand as you watch the video:1. What are 5 examples of causes of air, water, and soil pollution?2. What is the difference between point source and nonpoint source?3. What are 2 examples that the teacher mentions for each type? (4 total)4. Which source is more difficult to fix? Why is this?5. Which source is most easily regulated by federal and state laws? Why do you think this?

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[SOLVED] Plate Tectonics

Plate Tectonics – Practice Questions1. Please fill in the missing labels.2. Please fill in the missing labels.3. How many large plates form the outer shell of the earth?4. What lies directly beneath the crust?5. The upper mantle and crust make up what major tectonic feature of our planet?6. What lies directly beneath the lithosphere and is around 200 km thick?7. Continental crust is _________ than oceanic crust.8. Oceanic crust is on average how thick?9. A common rock type found within continental crust is called __________.10. A common rock type found within oceanic crust is called ___________.11. According to plate-tectonic theory where is new oceanic crust being formed?12. Where are melts most likely to be produced by the adiabatic rise of mantle?

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[SOLVED] Natural Disasters

Natural Disasters ENVS 103 01 W and 04 W (online)Written Report. Due on Friday, April 23rdNOTE: Add this Written Report to the Quiz #10 Grade(Report is worth 5% + Q 10 is worth 5% of your Total Average.)Guidelines for the Written Report on a Treatment TechnologyThis is a “review” type of paper. That means, the student will review and write (with your own words, please) about 2 to 5 previous research done on 1 (one) of the following contaminants:(a) Arsenic contamination in water, after an earthquakeOr(b) Fungus growth on crops, after a floodOr(c) Disposing Metal-contaminated sludge from waste treatment, after an earthquakeOr(c) Ultraviolet germicidal irradiation in water treatment, after a stormNOTE: The student will choose ONLY 1 (one) among these 4 (four) topicsStructure of the Written Report:1: Title (20%)2: Abstract (20%)3: Introduction (20%)4: Types of treatment (20%)5: References (20%)Guidelines for the Written Report on Treatment Technology· This paper may be written by one student or by a team of 2, 3 or 4 students.· In this 100-300-word summary of three scientific papers, you should address the use and the significance of this treatment technology.· Your description should include, but not be limited to the following:i. The treatment;ii. If this treatment technology is common;iii. Methods used to reduce or eliminate the harmful effects of any chemicals;iv. Explain how one technique may reduce the harmful effects, citing specific examples.· You should conclude the paper by addressing any questions left unanswered and what you think would be the next best experiment to do to address these questions.· Please include a bibliography of those papers cited in this paper.Page 1 of 1

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[SOLVED] Realm of Ethics

Read Field to Fork’sReflection questions, chapter 5.1) Explain the rationale as to why the consumption of, and treatment of animals, falls into the realm of ethics, according to the author of the book (and as pointed out, it really isn’t that different today than it has been since the time of earlier philosophers).2) Why is it potentially problematic to get stuck on the question of “Is it ethically acceptable to eat animal flesh…?”3) Discuss two problems with the five freedoms (developed by the Brambell Committee in the 1960s).4) Explain what a CAFO is.5) Explain the three domains of animal welfare. Please think of an example for each of the domains.6) How does cost recovery come into the animal ethics discussion? How can this aspect be overcome to improve animal welfare?7) Give your thoughts on vegetarianism for the poor, or those with fewer food choices.8) After reading this chapter, give any additional questions or thoughts you have

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[SOLVED] The Sunscreen Effectiveness

Prior to taking this course, had you ever heard of nanotechnology? Now that you know more about it, can you think of ways in which this type of technology can have an impact on your life?Please include the name of the person or question to which you are replying in the subject line. For example, “Tom’s response to Susan’s comment.”ALSO PLEASE REPLY TO ANOTHER STUDENTS COMMENT BELOW WITH A POSITIVE COMMENT RESPONSEPATRICK:I have briefly heard about nanotechnology prior to this course but never had an understanding of what it mean, I figured it meant small due to the phrase nano being incorporated. It is a pretty interesting concept, especially when looking at it from a medical side, as the reading mentioned they want medicine small enough to penetrate certain barriers but no capable enough to cause brain damage. To me it is interesting there is that line where the technology goes from being beneficial to harmful. I think the main common item that utilizes nanotechnology, which I am sure most of us will utilize soon due to summer coming, is sun screen. Sun screens contain many different components with two nanoparticles being added to increase the sunscreen effectiveness; titanium dioxide and zinc oxide.

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Ecosystem Health

The class project is to review a selected journal article on risk assessment and produce a written report.Topic: The student may choose any journal article within the context of risk assessment. Examples are risk assessment for specific toxins within a specific environments, and my focus on human health or ecosystem healthReport: A written report over your topic area should be submitted electronically through the assignment tool on the course Blackboard site. The review should clearly define the methods and sources used in the hazard identification, exposure assessment, dose/response, risk assessment and risk characterization steps. Sources include references within the article and best practices from government documents. The journal article review should be 3 to 5 pages in length, double-spaced, 12 point font. Figures or illustrations are encouraged but do not count toward page length. In addition, it should include a cover page with your name, course number, topic title and date, and a reference page containing at least 5 references. Figures and pictures are welcome but do not count toward the 3-page minimum. References should be from books, scientific journals or government documents. The report format should be MS Word (.doc) or rich text format (.rtf). Your name should appear in the file name (ex: joesmith.doc). Your selected journal article must be approved. Up-load a pdf of your proposed article in the designated assignment tool within the course shell. The instructor will respond via specific discussion forum.

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[SOLVED] Economic and Social Benefits

Question: What are some economic and social benefits of the Slow Food movement? What are some potential economic and social consequences? How has Terra Madre served to address the charge of “elitism” within the Slow Food movement? In which realms might it still make improvements?

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[SOLVED] Reproductive Toxicity

In the assigned reading for this unit, you learned about various chemicals that induce reproductive toxicity. Not limiting yourself to the chemicals that are mentioned in the assigned reading, identify a toxicant that causes reproductive toxicity. Develop a research paper that includes the following:background information on the toxicant, its use, and routes of exposure;the process by which this toxicant causes reproductive toxicity and the concentration of exposure;ways exposure to the toxicant might be limited, treated, and/or effects reversed; andrecent research findings (within the last five years) on this toxicant.The research paper should be a minimum of three pages in length, not including the title and reference pages, and written in APA format with proper in-text citations and references. The paper should utilize at least three credible sources that include at least one peer reviewed journal article published within the last five years

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[SOLVED] Ecosystem Services

go to these weblinks and learn about ecosystem services, and also learn about the economic value of protecting natural ecosystems and their services.The Ecological Society of AmericaCostanza, R., et. al. (1997). The value of the world’s ecosystem services and natural capital. Nature, 387, 253-260.The United Nations: The Millennium Ecosystem Assessment & HumansOf the different kinds of ecosystem services you learned about, discuss two that are important in your local area, village, forests and/or nation.How are these services endangered and what economic costs to society do you foresee with their loss?For example, when people built homes and buildings over wetlands in Florida, then the wetlands were destroyed. Normally, wetlands are important to help control flooding, and without them, there were more floods and water damage in cities, which caused a lot of economic costs to the citizens. So, now Florida is trying to restore many lost wetlands in order to have the ecosystem service of flood control returned.What is one action that people could take to help protect these services?

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Societal Impacts

Before building a new power plant, a utility company must gain permission and procure the required permits for construction from the Environmental Protection Agency (EPA). At this time, the policy of the EPA is to limit construction of power plants to clean burning natural gas systems (to reduce emissions of CO2). One result of this policy is the reluctance of utility companies to build new power plants. California has recently experienced serious problems with their ability to provide enough electricity for its residents because of this reason. One result of this problem is that utility rates in California jumped 500% to 600% in a one-year period.With the above information in mind, write a short essay of at least 1 page discussing pros and cons of this EPA policy. Be sure to keep in mind things like environmental impacts but also issues relating to social impacts due to higher electrical prices. Submit your paper to the appropriate folder in the Dropbox area of the course.

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