Environmental science homework help

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School of Undergraduate Studies

Social, Behavioral, Mathematical, and Natural Sciences

 

FINAL EXAMINATION

INSTRUCTOR NAME: April Boulton, Ph.D.

COURSE NAME: NSCI 362

DUE DATE : May 8 th , 11 :59 PM, E T via Assignments, which closes promptly at the deadline.

FORMAT: Save your AnswerSheet in the following format: “LastName FINAL” (e.g., SmithFINAL).

 

STUDENT PLEDGE: By typing my name below, I am confirming that I have completed the answers to this final examination myself and to the best of my ability, and that I have used my own words (not plagiarized) to answer short answer and essay questions.

STUDENT NAME: BY TYPING YOUR NAME HERE YOU AGREE TO THE ABOVE PLEDGE

DATE COMPLETED/SUBMITTED: INSERT DATE

 

 

IMPORTANT: PLEASE A NSWER ALL QUESTIONS O N TH IS ANSWER SHEET . F OLLOW ALL INSTRUCTIONS CAREFULLY.

DO ** NOT ** SUBMIT TH E TEST DOCUMENT FILE —submit *only* this completed answer sheet !

 

GENERAL INSTRUCTIONS: This final examination is worth 3 5 0 points or 3 5 % of your total course grade . There are four sections: Multiple C hoice ( 50 pts), Short Essays (15 0 pts) and Long E ssay s ( 15 0 pts) . Graded exams will not be returned to you .

 

 

 

 

 

PART 1 – MULTIPLE CHOICE: Do not leave any questions blank. Make your best guess if you do not know an answer. TYPE IN THE BEST LETTER FOR EACH SPACE BELOW — EACH SPACE SHOULD HAVE EXACTLY ONE ANSWER .

 

1.

 

6.

 

 

2.

 

7.

 

 

3.

 

8.

 

 

4.

 

9.

 

 

5.

 

10.

 

 

 

 

PART 2 – SHORT ESSAY QUESTIONS ( PICK ONLY THREE ):

Your answer should be 2 -3 paragraphs, single-spaced. Answers will be graded on content , accuracy , detail , information literacy, and effective writing.

 

11 .

 

1 2 .

 

1 3.

 

1 4 .

 

 

PART 3 – LONG ESSAY QUESTION S ( PICK ONLY TWO ):

Your answer should be 4- 5 well-developed paragraphs, single-spaced. Answers will be graded on content , accuracy , detail , information literacy, and effective writing.

 

 

1 5 .

 

1 6 .

 

17.

 

Congratulations on

Completing NSCI 362!

 

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Project

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https://www.goodfoodla.org/

 

LA Food Policy Council and a local area organization

 

Directions: Please take a look at two local area organizations, and answer the related questions. One organization, LA Food Policy Council, you have already seen.

 

 

1) Go back to the LA Food Policy Council website. I really would like you to take a look at their mission, and the concept of “Good Food.”

 

2) How would you describe “Good Food?” Do you see elements of Agroecology and Regeneration? Please relate this back to some of the concepts in the film or the text book.

 

3) Find another organization here in your own community, that is doing something related to local farming and community building. This might require some digging around.

 

a) Name the organization, and explain what they are doing.

b) Explain how the organization incorporates permaculture or community building concepts. You should also see if there are concepts they could improve upon.

c) Who are the people this organization impacts—we might call these the beneficiaries, or stakeholders.

d) Go to the discussion board and post a picture of something that captures what the organization does. Post their weblink, and give us a couple of sentences explaining them.

 

4) Provide any final thoughts you have on the concepts covered in this unit. Now that you have completed a review of all the material in the course, what are your thoughts about food, and the food system. It’s very possible that you have more questions now than at the beginning of the course. I think that would be a success. Please give me your thoughts in a few sentences.

 

5) Place a picture of a local food organization in your community. Provide a brief description of what they do, and provide a weblink to their site.

 

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Environmental science homework help

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When it is cloudy, many of the sun’s rays never reach the earth. What does this do to the temperature?

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environment

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Question 1

  • Write an essay consisting of at least 500 words addressing ALL of the following topics (a. through e.):

 

  1. Describe the Anthem Community Park in Maricopa, Arizona? Why do you think the authors included it in the textbook?
  2. Regarding heavy metals:
    1. Explain how heavy metals are an environmental health problem.
    2. How does a heavy metal get into the food chain?
    3. List two heavy metals and describe why they are health concerns.
  3. What are the pros and cons of DDT and PCBs? Why, at one time, were DDT and PCBs extremely useful chemicals, but now they are prohibited? Explain how Rachel Carson’s book, Silent Spring, had an influence on DDT regulations.
  4. If a soil consists of 65% sand, 25% silt, and 10% clay, what is its soil classification using the triangular soil classification chart?
  5. Describe the type of soil and bedrock in the city or military base where you reside (or the nearest city to your home or base).

You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.Question 2

  • Write an essay consisting of at least 500 words addressing ALL of the following topics (a. through h.):

 

  1. If the elevation of locations D and E are 30 m instead of 55 m, and all other items are the same as shown in Figure 2-5 on page 26 of your textbook, what is the pressure at D in kPa? Show your work.
  2. Explain how a Bourdon pressure gage works and how a pressure transducer works.
  3. A 6-inch diameter pipe flowing full carries water at an average velocity of 8 ft/s. What is the flow rate in the pipe in cfs? Show your work.
  4. In Figure 2-14(b), why is h2 less than h1?
  5. Explain what the hydraulic grade line represents and why it is useful.
  6. If water flows through a pressurized pipe with an HGL slope of 0.04 ft/ft over a distance of 2000 ft, what is the pressure loss in psi? Show your work.
  7. A particular gravity sewer conveys 2 cfs when flowing full. If instead, this sewer flows at a d/D ratio of 0.94 (see Figure 2-22 for definition of d/D ratio), what is the flow rate in cfs?
  8. Explain the differences between gradually varied flow and rapidly varied flow.

You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations. Question 1

  • Write an essay consisting of at least 500 words addressing ALL of the following topics (a. through i.):

 

  1. Explain why rainfall varies throughout the United States.
  2. Explain how the urban hydrologic cycle is different from the natural hydrologic cycle.
  3. If 2 inches of rain falls during an 8-hour storm, what is the average rainfall intensity in inch/hour?
  4. Explain the concept of recurrence interval.
  5. Using Figure 3-6 in our textbook, what is the rainfall intensity (inch/hour) of a 100-year storm having a duration of 80 minutes?
  6. What is the 100-year, 24-hour rainfall in Minneapolis, Minnesota (in inches)?
  7. In a hydrograph, explain the concept of “base flow”.
  8. Perform an Internet search and provide a website that shows a hydrograph for a river in the state of Nebraska. What is the maximum flow (also known as discharge and flow rate) shown on the graph?
  9. Explain the concept of radius of influence of a pumping well.

You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.50 points  Question 2

  • Write an essay consisting of at least 500 words addressing ALL of the following topics (a. through i.):

 

  1. Describe the difference between atomic weight, atomic number, and isotope.
  2. If 15 grams of salt is dissolved in 500,000 grams of water, what is the salt concentration in ppm? Show your work.
  3. Explain the significance of the water quality parameters turbidity, temperature, color, taste, and odor.
  4. Describe biochemical oxygen demand. Why is it an important water quality parameter?
  5. A sewage sample has a 5-day BOD of 350 mg/L. If k=0.15/day, what is the ultimate BOD? Show your work.
  6. In Example 4-5 on page 91 of your textbook, what would be the TDS concentration (mg/L) if 150 mL of the sample were evaporated from the dish, rather than 100 mL (all other numbers remain the same)?
  7. Explain the significance of chlorine residual and fluoride in drinking water?
  8. What is the significance of algae and viruses to water quality?
  9. Describe the multiple-tube fermentation method for coliform bacteria?

You are required to use at least your textbook as source material for your response. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying citations.

 
 
 

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Ecosystem and Economics Brochure

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Imagine that you work for a conservation group and have been asked to provide educational material on how humans impact ecosystems.

Create a brochure using the Brochure Builder to create a brochure with 6 panels about human society’s impact on ecosystems and the costs and benefits of human enterprise. Include the following:

  • Explain how ecosystem degradation and loss is caused by human society.
  • Describe the effects of human activity on plants, animals, and ecosystem dynamics. Provide specific examples.
  • Describe the economic decisions underlying conservation and exploitation. Explain the costs and benefits of human enterprise in terms of ecosystems and provide specific examples.
  • Describe some actions that society can take to help conserve ecosystems and prevent degradation and loss based on our activities.

Use images as appropriate.

Cite at least two references consistent with APA guidelines.

Submit your assignment.

Resources

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Environmental science homework help

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Purpose

 

Information

 

Point of view

 

Assumptions

 

Concepts

 

Breadth

 

Clarity

 

Logic

 

Inference

 

Intellectual relativity

A. Combination of thoughts that are mutually supporting and make sense in combination
B. A step of the mind whereby someone concludes that something is true based on something else being true or seeming to be true
C. Those things that humans take for granted based on their past experiential knowledge
D. Gateway intellectual standard that determines whether a statement is accurate or relevant
E. General categories or ideas that humans use to interpret and classify the information that comes into their thinking
F. The idea that nothing can be proven to be true
G. The frame of reference, perspective, or worldview that underlies one’s reasoning
H. The goal of objective of thinking
I. Thinking that demonstrates consideration of alternative points of view
J. Data, facts, and observations that are used by human reason to understand its reality

 

 

 

1.    Define inference and assumption, and then explain the relationship between the two. Provide two examples of inferences that you made from assumptions that you have.

 

Your response should be at least 75 words in length

 

1.    Describe two intellectual standards, and give examples of each from your own life.

 

Your response should be at least 75 words in length

 

Describe the movement of the person in Plato’s allegory of the cave. Be very specific about the various stages in this movement, and then please explain how this allegory relates to at least two intellectual standards.

Your response should be at least 200 words in length.

 

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Literature Review

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Four pages not including cover page or references

This unit’s assigned reading focuses on chemical-induced mutagens. As you are aware from the reading, not all carcinogens are mutagens. For this assignment, compare and contrast a carcinogen that is a mutagen to a carcinogen that is not a mutagen. Find at least four peer-reviewed journal articles published within the last 7 years that discuss the carcinogens and the cancer that each causes.

Compare the means of exposure of each chemical and the type of cancer each causes. Be sure to integrate the perspective and information gathered from each article into a discussion in your own words.

Your literature review must include the following components:

  • an introduction of your topic of choice (include some background information on the origins of exposure and cancer),
  • the methods used to search for the articles,
  • the results of the articles,
  • a discussion and conclusion with your own opinion, and
  • APA references and in-text citations for the article.

The literature review must be t four pages in length and follow APA formatting.

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Environmental science homework help

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Looking at European “Christendom” of the Middle Ages and considering the concept of “Christian America,” what lessons might believers learn today from the strengths and pitfalls too closely aligning the Church with culture and society?

In your reply, indicate points of agreement or disagreement with the thread, and support your response with information from the course materials or other research, citing your sources as needed.

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assingment

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In this assignment, you will explore the top predators effect in the ecosystem.

Go to http://media.hhmi.org/biointeractive/click/trophiccascades/?_ga=2.71133017.874546303.1495559246-1279517233.1480957413 to begin the interactive click and learn.

Download the word document, answer all of the questions on the Sea Otter example, which begins in the introduction.

Once you have completed all of this portion, choose 1 of the case studies.  Present a summary of the case study, in your own words.

Make sure to include the positive and negative effects of the top predator, the direct and indirect effects of the top predator, and the changes that occur with the removal of the top predator.

Submit the final document as either a word document, or a pdf file.  NO other forms will be accepted.

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Total Environmental Health and Safety

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1.Describe how your organization or an organization you are familiar with manages occupational safety and health. To what extent are executives and facility managers committed to the OSH effort, and to what extent are front-line employees involved? What level of effort is exerted to ensure that hazards are evaluated and controlled? Are there continuous improvement efforts in place?
Your journal entry must be at least 200 words. No references or citations are necessary.

2. Explain the five-why technique, and describe how this technique can be used in incident investigation to identify potential causes that may tie to deficiencies in processes and management systems rather than mistakes made by workers?
Your response must be at least 75 words in length.

3. Compare and contrast the concepts of macro and micro thinking as they relate to safety and health management in the workplace. Which is more in alignment with the safety management systems approach and why?
Your response must be at least 75 words in length.

4. Appraise the concept of organizational culture and its relationship to successful implementation of safety management systems.
Your response must be at least 200 words in length.

5. In the conclusion to Chapter 4, Manuel states that top-level decisions largely cause potential for human error, and this impact spreads through the entire organization. Please examine this statement with respect to how it aligns with the tenets of the safety management systems approach to produce desired results.
Your response must be at least 200 words in length.

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