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ASH SCI 207 Week 2 DQ 1 Food and Agriculture RECENT
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SCI 207 Week 2 DQ 1 Food and Agriculture NEW

SCI 207 Week 2, Discussion 1
Food and Agriculture

In the United States, we are fortunate to have an abundant supply of food. However, this abundance is largely due to advances in agricultural technology, which have in turn created numerous concerns surrounding our food sources. Provide at least two modern examples of how the United States has increased its food production. Using at least two scholarly or reputable resources and your textbook, discuss how these changes have affected the environment, and what impact they have on food safety?




Your initial post should be at least 150 words in length. Utilize at least two scholarly or reputable resources and your textbook to support your claims. Cite your sources in APA format. Respond to at least two of your classmates’ posts by Day 7.
Carefully review the Grading Rubric that will be used to evaluate your assignment.

ASH SCI 207 Week 2 DQ 1 Food and Agriculture RECENT
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SCI 207 Week 2 DQ 1 Food and Agriculture NEW

SCI 207 Week 2, Discussion 1
Food and Agriculture

In the United States, we are fortunate to have an abundant supply of food. However, this abundance is largely due to advances in agricultural technology, which have in turn created numerous concerns surrounding our food sources. Provide at least two modern examples of how the United States has increased its food production. Using at least two scholarly or reputable resources and your textbook, discuss how these changes have affected the environment, and what impact they have on food safety?




Your initial post should be at least 150 words in length. Utilize at least two scholarly or reputable resources and your textbook to support your claims. Cite your sources in APA format. Respond to at least two of your classmates’ posts by Day 7.
Carefully review the Grading Rubric that will be used to evaluate your assignment.

2

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ASH SCI 207 Week 3 DQ 1 Age of Oil RECENT
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SCI 207 Week 3 DQ 1 Age of Oil NEW
Age of Oil
As you know, our world is heavily dependent on oil. In Chapter 6 of Contemporary Environmental Issues, you have read that there is concern about the possibility of reaching a peak in oil production. Describe at least two alternatives to oil that are currently available and discuss the barriers that keep these alternatives from replacing oil as our primary means of energy? Additionally, utilizing at least two scholarly or reputable resources and your textbook, discuss the role that government plays in ensuring a transition to such alternatives in a post peak-oil world?
Response
Describe at least two alternatives to oil that are currently available and discuss the barriers that keep these alternatives from replacing oil as our primary means of energy?



Discuss the role that government plays in ensuring a transition to such alternatives in a post peak-oil world?SPE 578 Week 4 Individual Assignment Lesson

3

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ASH SCI 207 Week 3 Assignment Outline of the Final Lab Report RECENT
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SCI 207 Week 3 Assignment Outline of the Final Lab Report NEW
Introduction
Body Paragraph #1 - Background: The rough draft of the introduction should describe the background of water quality and related issues using cited examples. You should include scholarly sources in this section to help explain why water quality research is important to society. When outlining this section, make sure to at least list relevant resources in APA format that will be used in the final paper to develop the background for your experiment.
Body Paragraph # 2 - Objective: The rough draft of the introduction should also contain the objective for your study. This objective is the reason why the experiment is being done. Your rough draft should provide an objective that describes why we want to know the answer to the questions we are asking.


Make sure the objective ties back to ideas you discussed in the Background, above.
Body Paragraph # 3 - Hypothesis: Finally, the introduction should end with your hypothesis. This hypothesis should be the same one that you posed before you began your Drinking Water Quality experiment. You may reword it following feedback from your instructor to put it in better hypothesis format; however, you should not adjust it to reflect the “right” answer. You will not lose points if your hypothesis was wrong; scientists often revise their hypotheses based on scientific evidence following an experiment. In addition to stating the hypothesis, offer your rationale for it; in other words, why did you make that particular hypothesis?
Materials and Methods
Body Paragraph # 1: The rough draft of the materials and methods section should provide a brief description of the specialized materials used in your experiment and how they were used.

This section needs to summarize the instructions with enough detail so that an outsider who does not have a copy of the lab instructions knows what you did. However, this does not mean writing every little step like “dip the phosphate test strip in the water, then shake the test strips,” these steps can be simplified to read “we used phosphate test strips to measure phosphate levels in parts per million”, etc. This section should be written in the past tense and in your own words and not copied and pasted from the lab manual. Think cookbook recipe here; you should explain enough of what you did for others to repeat the experiment, but with nothing extra added.
Results
Tables: The rough draft of the results section should include all the tables used in your experiment. All values within the tables should be in numerical form and contain units (except pH, which does not have any).



For instance, if measuring the amount of chloride in water you should report your measurement as 2 mg/L or 0 mg/L, not as two or none.
Body Paragraph # 1: The rough draft of the results section should also highlight important results in paragraph form, referring to the appropriate tables when mentioned. This section should only state the results; no personal opinions should be included. A description of what the results really mean should be saved for the discussion. For example, you may report, 0mg/L of chlorine were found in the water, but should avoid personal opinions and interpretations such as, “No chlorine was found in the water, showing it to be cleaner than the other samples.”
Discussion
Body Paragraph #1 - Hypothesis: The rough draft of this section should interpret your data and provide conclusions.


Start by discussing if your hypothesis was confirmed or denied and how you know this. Then consider some of the implications of your results. Given the chemical differences you may have noted between the water samples, are any of the differences causes for concern?
Body Paragraph # 2 - Context: The rough draft of your discussion should also relate your results to bigger water concerns and challenges. For example, based on your experiment you might discuss how various bottled water companies use different filtration systems. Or, you could discuss the billion dollar bottled water industry. For example, do you think it is worth it to buy bottled water? Why or why not? Your outline should at least list some of the resources that you plan to utilize in your final paper to put your results into context.
Body Paragraph #3 – Variables and Future Experiments:


Finally, the rough draft of your results section should also address any possible factors that affected your results, such as taking measurements over two different days instead of all at once. If possible sources of error were present, how might you control for these in the future? You should also propose some new questions that have arisen from your results and what kind of experiment(s) might be devised to answer these questions.

Conclusions
Body Paragraph #1: This section of your rough draft should briefly summarize the key points of your paper. What main message would you like people to take way from this report?
References
Include at least 2 scholarly and 2 highly credible sources as well as your lab manual, in APA format.

4

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ASH SCI 207 Week 2 Assignment Evaluating Credible and Scholarly Scientific Sources RECENT
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SCI 207 Week 2 Assignment Evaluating Credible and Scholarly Scientific Sources NEW
Evaluating Credible and Scholarly Scientific Sources
Week Two Assignment
In this assignment, you will examine three different sources - one source that would be considered scholarly, one source that is credible but not scholarly, and one source that would not be considered credible for use in an academic paper. After completing a worksheet on each source, can you identify which is which?

5

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ASH SCI 207 Week 2 Lab 2 Water Quality and Contamination RECENT
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SCI 207 Week 2 Lab 2 Water Quality and Contamination NEW
Lab 2 – Water Quality and Contamination
Experiment 1: Drinking Water Quality
Bottled water is a billion dollar industry in the United States. Still, few people know the health benefits, if any, that come from drinking bottled water as opposed to tap water. This experiment will look at the levels of a variety
of different chemical compounds in both tap and bottled water to determine if there are health benefits in drinking bottled water.
POST-LAB QUESTIONS
1. Develop a hypothesis regarding which water sources you believe will contain the most and least contaminants, and state why you believe this. Be sure to clearly rank all three sources from most to least contaminants.
Hypothesis =


2. Based on the results of your experiment, would accept or reject the hypothesis you produced in question 1? Explain how you determined this.
Accept/reject =
3. Based on the results of your experiment, what specific differences do you notice among the Dasani®, Fiji®, and Tap Water?
Answer =
4. Based upon the fact sheets provided (links at the end of this document), do any of these samples pose a health concern? Use evidence from the lab to support your answer.
Answer =
5. Based on your results, do you believe that bottled water is worth the price? Use evidence from the lab to support your opinion.
Answer =

6

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ASH SCI 207 Week 1 DQ 1 Biomes and Diversity RECENT
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SCI 207 Week 1 DQ 1 Biomes and Diversity NEW
Week 1, Discussion 1
Biomes and Diversity
As you have learned in the readings, extinction is a natural selection process. You have also read that humans are often responsible for accelerating this process. Using at least two scholarly or reputable resources and your textbook, address whether or not we as humans should be concerned with the extinction rate. Additionally, discuss whether or not humans should strive to preserve representative samples of all biomes on the planet. Before beginning your discussion, watch the video “How to find scholarly articles,” which defines the difference between scholarly, reputable, and non-reputable resources.
Response


Should we as humans be concerned with the extinction rate?
Should humans strive to preserve representative samples of all biomes on the planet?

7

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ASH SCI 207 Week 1 Lab 1 Introduction to Science RECENT
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SCI 207 Week 1 Lab 1 Introduction to Science NEW
Exercise 1: The Scientific Method
In this exercise, you will answer the questions based on what you have seen in the videos throughout the lab. Be sure to pay careful attention to the videos – you will not only need them to complete this exercise successfully, but also to have a firm understanding of the scientific method for future labs.
QUESTIONS
1. Make an observation – Write down any observations you have made regarding the effect of pollution on the environment.
Answer =
2. Do background research – Utilizing the scholarly source (provided here), describe how pollution might affect yeast.
Answer =



3. Construct a hypothesis – Based on your research from question 2, develop an if-then hypothesis relating to the effect of pollution on yeast respiration.
Answer =
4. Test with an experiment – Identify the dependent variable, independent variable, and the controlled variables for the experiment.
Answer =


5. Analyze results – Record your observations of the three test tubes before incubation and compare them to the observations provided in the video.
Answer =
6. Analyze results – Record your observations of the three test tubes after incubation.
Answer =


7. Analyze results – The table below shows sample data regarding the amount of carbon dioxide produced by each tube. Determine what type of graph would be the most appropriate for displaying the data and explain why you chose that graph. Then, make a graph. Use Microsoft Excel or a free graphing program (for example, https://nces.ed.gov/nceskids/createagraph/) to create the graph. Submit this with your post-lab questions.
Answer =
8. Draw conclusions – Interpret the data from the graph in Question 7. What conclusions can you make based on this graph?
Answer =
9. Draw conclusions – Based on your observations and your graph, would you reject or accept the hypothesis you made in Question 3? Why?
Answer =


10. Draw conclusions – Imagine you are an environmental scientist employed by a city. Some residents have expressed concerns regarding how salt is applied to roadways in the winter because of the harm it may cause aquatic life in area streams. Propose an experiment using yeast to determine if salt pollution runoff is a potential concern in your community.
Answer =
References
Any sources utilized should be listed here.

8

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ASH SCI 207 Week 1 Assignment Environmental Footprint RECENT
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SCI 207 Week 1 Assignment Environmental Footprint NEW
SCI 207 Week 1 Assignment Environmental Footprint
General Questions - General General Questions
Environmental Footprint. The purpose of this assignment is to learn more about how connected you are to the ecosystems and biosphere that you inhabit. You will learn how your everyday choices contribute to the human impacts on our environment you have been learning about. Most importantly, you will learn about benefits that you can receive by joining the increasing number of people who are making choices that reduce their environmental impact.
First, calculate your ecological footprint.
a. Use the Footprint Calculator to measure your ecological footprint and learn “how many earths” it takes to support your lifestyle.


Be sure to choose the “detailed response” option for each question.
b. Answer each question in the quiz honestly and record your answers and results in the Environmental Footprint Reporting Form (available for download in your online course).
Second, calculate your household carbon emissions.
a. Use the Household Carbon Footprint Calculator to measure your carbon emissions and determine your environmental impact and the benefits of solutions.
§ Section 1: Estimate your current total household emissions (from home energy use, vehicle use, waste).
§ Section 2: Explore actions you can take to reduce your greenhouse gas emissions, energy use, and waste disposal costs.
§ Section 3: See how much you can save (in dollars and emissions) by taking the actions you chose in Section

2.
b. Answer each question in the quiz honestly and record your answers and results in the Environmental Footprint Reporting Form.
Complete Tables A and B as well as assignment questions 1 through 4 on the Environmental Footprint Reporting Form. Save your answers as a Word document. The document must be formatted according to APA style. For information regarding APA samples and tutorials, visit the Ashford Writing Center, located within the Learning Resources tab on the left navigation toolbar, in your online course. Submit the document via the Assignment Basket in your online course.