SCI 256 Environmental Pollution Recommendation Powerpoint

There is a concern in your community regarding the environment.  You’ve been tasked to research and present the concerns to your local or state government.

Perform an internet search to identify an instance of environmental pollution in your state.

Create a 5-to 8-slide PowerPoint® presentation with detailed speaker notes.  Include 50 -100 words speaker notes on each slide.  Speaker notes should, in a clear and specific manner,  explain each bullet item on the slide.

  • Identify the effects of this pollution on human health and the environment.
  • Explain the causes of this pollution.
  • Recommend ways to prevent/clean up this type of environmental pollution.
  • Include appropriate images.

Use at least 2 outside references.

Format your presentation and references consistent with APA guidelines.

  • These are 10- to 15-minute oral presentations accompanied by Microsoft® PowerPoint® presentations.

I will pay 15.00 including the down payment charge. Please make the powerpoint on a Southern California pollution issue. Please make it easy to follow with full speaker notes.

 
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ADVANCED TOXICOLGY

NEED BY TOMORROW

Pesticides are a common environmental concern due to the potential long-term effects of the chemicals and their metabolites on the immediate environment and ecosystem. For this assignment, research a common pesticide and write a three-page research paper that includes the following components:

  1. Identify the main active ingredient of the pesticide and how the pesticide is used.
  2. Identify and describe which of the four cornerstones of xenobiotic pharmacokinetics are affected in the way the pesticide works to kill the targeted organism.
  3. Identify the metabolites of the active ingredient of the pesticide, and discuss the toxicity and lifespan of the metabolites. Be sure to address the cornerstone processes associated with the xenobiotic metabolism of the pesticide through the body.
  4. Provide your thoughts on whether or not this pesticide is safe for the overall ecosystem in the manner in which it is used and the resulting effects of its application as it breaks down into its metabolites. Can this biotransformation result in toxicity?

The assignment should be completed as a text document and should meet the following requirements:

  1. The discussion should include the four aspects of the assignment as outlined above.
  2. The paper should be at least three pages in length, not including the title or reference page. Use proper APA formatting for all citations and references.
  3. A minimum of three credible references should be used for this assignment, and the references should be properly cited in the text as well as in a reference list.
 
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DISC2 EVR

Big Sugar, Lake Okeechobee, and Florida’s Water

Recent years have seen voter mandates to the Florida Legislature to deal with Everglades protection, dramatic videos of summer time red tide and green slime outbreaks (see videos below) on both of South Florida’s coasts, and considerable infighting in the Legislature over whether or not to deal with the growing crisis in South Florida’s water flow.

A. Read these online stories and view the video as background prior to participating in his Forum. Do not participate in the discussion without having this background knowledge.

B. Now answer the following questions in your posting and number your responses B1 and B2 (worth 6 points).

1. How has cartoonist Doug MacGregor used the cartoon at the top of this page to illustrate the current status of the quality of South Florida’s water flow? That is, how has he used the map, colors, shapes, etc. to tell this story? Be sure to include in your discussion the aspects of South Florida’s water flow as part of the Greater Everglades Ecosystems. (4 points)

2. Describe whether or not you think the illustration is accurate in its depiction. Use your textbook readings or the above articles/video to support your description. (2 points)

 
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Hazardous Materials

Unit Assessment

 

QUESTION 1

A company is planning to transport oxygen, chlorine, and phosphorous by train to another city. Identify the labels, marking, and placards that the DOT requires when transporting these elements. Your response must be at least 75 words in length.

 

QUESTION 2

Describe some ways that the Emergency Response Guidebook is used when responding to incidents involving the release of hazardous materials. Your response must be at least 75 words in length.

 

QUESTION 3

Describe how the chemical characteristics, production methods, uses, and associated unique hazards of hydrogen can affect the safety of an environmental health and safety (EHS) and fire science (FS) professional. Your response must be at least 75 words in length.

 

QUESTION 4

A nursing home is installing their own bulk oxygen system due to their large volume of consumption. OSHA regulation 29 CFR 1910.104(b)(2)(iii) requires owners of bulk oxygen systems to provide noncombustible surfacing in areas where liquid oxygen might leak during operation of the system or during the filling of a storage container. If the nursing home provides an asphalt surface in areas where oxygen could potentially leak, will it be in compliance with the workplace regulation regarding oxygen? Explain your answer. Your response must be at least 75 words in length.

 

QUESTION 5

Although coal is no longer the favored energy source, U.S. coal mines still produced close to a billion short tons of coal. Detail 5 different forms of coal, including activated carbon, and chemical products and health hazards related to each different form. Describe DOT recommended response actions to incidents involving a release of coal and/or carbon. Your response must be at least 75 words in length.

 
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SC260.S.1.1 Introduction To Ecology

assignment 01

SC260 Ecology

 

Directions: Be sure to make an electronic copy of your answer before submitting it to Ashworth University for grading. Unless otherwise stated, answer in complete sentences, and be sure to use correct English spelling and grammar. Sources must be cited in APA format. Your response should be one (1) single-spaced page in length; refer to the “Assignment Format” page for specific format requirements.

 

1. Describe global patterns of atmospheric heating and circulation. What mechanisms produce high precipitation in the tropics? What mechanisms produce high precipitation at temperate latitudes? What mechanisms produce low precipitation in the tropics? (60 points)

 

 

2. Use what you know about atmospheric circulation and seasonal changes in the sun’s orientation to earth to explain the highly seasonal rainfall in the tropical dry forest and tropical savanna biomes. (Hint: Why does the rainy season in these biomes come during the warmer months?) (40 points)

 

______________________________________________________

This is the end of Assignment 01.

 

Use the following format requirements on all submissions.

Writing Style                         APA (American Psychological Association)

Note: To find detailed information on APA manuscript style guidelines on the Internet, go to www.apastyle.org.

Margins                                 1” all sides

Paragraphs                            Single-space

Double-space between paragraphs

Indent first line of each paragraph

Headings                               Bold

Type Style and Size              Times New Roman, 12 point

Software                                MS Word

Student/Assignment Information

The following information should be on the first page on the top left side of the page in the format provided below.  Do not provide a cover sheet.

Student Name

Student Identification Number

Course Number and Title

Assignment Number and Title

Date of Submission

 

 
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INDUSTRIAL AND HAZARDOUS UNIT 4 & 5

All answers should at least 200 words in length. 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

You are a consultant who has been hired by a city to help reduce organic matter in their system while improving the dissolved oxygen concentration and deriving an optimal sludge to ultimately bag and sell as an agricultural soil conditioner. Explain the chemistry necessary to properly digest the waste during the aerobic digestion process in order to maximize effluent oxygen concentrations in the water while deriving higher concentrations of nitrate, nitrite, sulfate, and phosphorus in the final sludge product

Question 2

You are a consultant who has been hired by a city to help reduce organic matter in their system while improving the dissolved oxygen concentration and deriving an optimal sludge to ultimately bag and sell as an agricultural soil conditioner. What equation(s) would you use to calculate the number of days the sludge must remain in the anaerobic digester in order to maximize volatile organic digestion and still produce a favorable sludge high in nitrogen and phosphorus? Be sure and explain the chemistry behind your equation selections.

Question 3

Describe the Cyclic Activated-Sludge System, discuss its mode of operation and the potential benefits as an equipment option for an activated sludge unit to be designed into a batch wastewater pretreatment system.

Question 4

· Describe the design considerations inherent in a completely engineered biological oxidation unit. Be sure and describe every aspect of the unit relevant to the design considerations.

 

Question 6

You are a consultant who has been hired by a city to help treat hydrocarbon-laden wastewater in its pre-treatment system. Discuss the calculations you would make in order to determine the risks associated with the ambient air environment, relative to the pumps, mixers, and other electrical equipment that the city has already elected to use in the pre-treatment process.

Question 7

You are a consultant who has been hired by a city to help treat hydrocarbon-laden wastewater in its pre-treatment system. Specifically, the client knows that there is a significant concentration of ethane in the influent waste stream. Discuss the importance of understanding the solubility of ethane in the wastewater, relative to the process efficiency and relative safety of the entire pre-treatment system, and describe the steps that you would take to fully understand the ambient air quality of the system.

Question 8

· Discuss the necessary design features of a biological filtration system. Be sure and include information regarding distribution, volume, and media considerations and options.

Question 9

· Discuss the necessary design features of a secondary settlement tank. Be sure and include information regarding capacity design considerations in your discussion.

 
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A+ Answers

1. More than __________ percent of all children and more than __________ percent of African-American children are living with an unmarried parent.
A. 10; 25
B. 10; 40
C. 25; 55
D. 25; 75
2. To promote print awareness in the home, parents can:
A. share some of the mail in the mailbox.
B. read wrappers and packaging print.
C. encourage scribbling.
D. All of the above
3. Parents and families are urged to communicate with children using:
A. business-like talk that guides behavior.
B. adult-child play talk that affects development.
C. standard English even if the family is not English speaking.
D. Both a and b
4. More than ever before children are seeking out __________ books.
A. Dr. Seuss
B. poetry
C. ABC
D. nonfiction
5. Family game playing that includes children:
A. usually requires rule-abiding behavior.
B. usually involves focus and memory.
C. often involves language and cognition.
D. All of the above
6. Computer program use has been found to improve:
A. listening skills for all children.
B. reading skills of developmentally-delayed children.
C. cooperative learning among young children.
D. the speech skills of children with dyslexia.
7. Chalkboards in preschool classrooms:
A. have limited usefulness.
B. can provide clever and creative language-related activities.
C. are rare because of preschoolers’ fascination with erasers.
D. are too old-fashioned to be used today.
8. Which one of the following would be the best way to welcome a child into the classroom in the morning when the child’s mother drops him off?
A. “Good morning, Joshua. We have new crayons to use later today.”
B. “Good morning, Joshua. Good morning, Mrs. Carr. I need to speak with you about Joshua’s behavior whenever you have a chance to meet.”
C. “Good morning, Joshua. Joshua, go on and get started with your work.”
D. “Good morning, Joshua. Good morning Mrs. Carr. Joshua, there are new cars you might like in the block center.”
9. One way to encourage reading in the home is to:
A. buy a lot of books.
B. plan a family reading time.
C. make sure reading time and television time are equal.
D. All of the above
10. A school lending library:
A. should include oral rules and procedures for checkout and return.
B. can provide families with book-reading tips.
C. requires no extra time or effort.
D. should include only books written in the family’s native language.
11. Controversy concerning technology does NOT exist about:
A. the amount of time young children spend in front of screens.
B. the presentation of violence.
C. whether it is here to stay.
D. whether educators can identify questionable content.
12. E-books:
A. are a great substitute for family book sharing.
B. seldom offer a read-aloud component.
C. often compromise the book’s color and format.
D. are all high quality.
13. When making recordings it is important to remember to:
A. speak very slowly.
B. “act out” the story.
C. speak in character.
D. incorporate a page-turning signal.
14. Families can usually have more educationally pertinent conversations with their children than teachers because:
A. their children trust them.
B. their background experiences are more common.
C. they know how to talk to their children.
D. they understand closure, extending, and expanding.
15. Mrs. Richards decided to have a question of the day for her students. Which of the following describes the best way to handle this?
A. Mrs. Richards should ask the question orally, take responses, and discuss them at group time.
B. Mrs. Richards should print the question on paper, attach it to the door so that it is the first thing her students see when they enter, and ask the students to write their responses on the board.
C. Mrs. Richards should print the question on paper, show it to the students as she reads it, ask for their responses, and print their responses as they are given.
D. Mrs. Richards should record the question for the listening center and ask the students to write their responses.
16. When children are creating or making something at home, parents should:
A. encourage the child to talk about the project in his/her own words.
B. ask “What is it?”
C. demonstrate the best way to accomplish the task.
D. say nothing.
17. Educators urge parents to:
A. expect children to finish tasks.
B. jump in with suggestions when a child hits a road block.
C. play games without rules.
D. understand that leaving tasks unfinished is appropriate for young children.
18. Which is NOT true regarding electronic apps and games?
A. Research has proven that there is an educational value to the games.
B. Children often become trancelike while playing.
C. Some apps are design

 

19.Any mechanical or nonmechanical item that is useful in offering sight or hearing experience is:
A. technology.
B. audiovisual equipment.
C. projection equipment.
D. None of the above
20. __________ is the factor most highly associated with poor reading achievement in elementary school.
A. Parents’ educational level
B. Race
C. Poverty
D. Birth order

 
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Simple Calculations. Due In 6 Hours

1.) You have been tasked with establishing and implementing an  effective hearing conservation program for a metal stamping facility.  Noise monitoring shows that employees working in the press areas of the  facility are exposed to 8-hour TWA noise exposures between 85.0 dBA and  89.0 dBA. Based on the requirements of 29 CFR 1910.95, summarize the  requirements for an effective hearing conservation program and discuss  steps to make the program as effective as possible. Please refer to 29  CFR 1910.95(b)(2) for the formula.
2.) Three workers (8-hour work shift) were monitored for work in  different areas of a facility using calibrated noise dosimeters. The  results are summarized in the attached table labeled question 3  attachment.

a. Calculate the 8-hour time-weighted average (TWA) noise exposure for each of the three workers.

b. Summarize which (one) of the exposures exceeds OSHA’s permissible exposure limit (PEL) and/or action level for noise.

c. Discuss what factors about the noise monitoring may have affected the accuracy of the noise measurements.
Show your work for all mathematical calculations. Please refer to  Appendix A to 29 CFR 1910.95 for assistance on how-to solve this  problem.

3.) A plant that manufactures automobile chassis includes a  production area containing 100 robotic welding stations. An adjacent  area contains 10 welding booths where employees perform hand welding  using MIG welders to rework welds that have been identified as  unacceptable. Personal air sampling shows that personal exposures at 5  of the welding booths located in the middle of the rework exceed the  OSHA PEL for lead, nickel, and iron oxide fumes. On average, the  personal exposures exceed the applicable OSHA PEL by 2-3 times.
Using OSHA’s Hierarchy of Controls, write one paragraph for the  hazard scenario above that summarizes your approach to reducing the  risks associated with the hazard. Indicate which type of hazard control  you will use, and describe exactly how it will be used to control the  hazard.
4.) A plant has an operation that produces automotive headliners in a  press. The process uses a compound that contains methylene bisphenyl  isocyanate (MDI). The compound containing MDI must be used in the  production process to meet the client’s specifications for the  headliner. The OSHA PEL for MDI is 0.02 ppm as a ceiling concentration.  Personal air samples collected for 15 minutes at the time when the press  opens show that short-term exposures range from 0.02 ppm to 0.06 ppm.
Using OSHA’s Hierarchy of Controls, write one paragraph for the  hazard scenario above that summarizes your approach to reducing the  risks associated with the hazard. Indicate which type of hazard control  you will use, and describe exactly how it will be used to control the  hazard.
5.) A press area of a plant has six 400-ton presses in operation 24  hours a day, 7 days a week. Personal monitoring using noise dosimeters  has shown that 8-hour time-weighted average (TWA) exposures range from  92.0 dBA to 94.5 dBA.
Using OSHA’s Hierarchy of Controls, write a hazard scenario using the  information above that summarizes your approach to reducing the risks  associated with the hazard. Indicate which type of hazard control you  will use, and describe exactly how it will be used to control the  hazard.
6.) Employees in the paint department of an automotive parts  production facility use styrene to clean residue off the parts as they  come off the paint line. The OSHA PEL for styrene is 100 ppm as an  8-hour TWA exposure. Personal air samples show that during peak  production times, exposures range from 150 ppm to 200 ppm for an 8-hour  shift. The parts cleaning is performed in a small room with one door.
Using OSHA’s Hierarchy of Controls, write one paragraph for the  hazard scenario above that summarizes your approach to reducing the  risks associated with the hazard. Indicate which type of hazard control  you will use, and describe exactly how it will be used to control the  hazard.

 
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Total Environmental Health And Safety

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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Biome And Ecosystem

Biome And Ecosystem

Pick a biome and ecosystem and create a 500-700-word essay addressing   the following:

  • Refer to the infographic provided and chose a biome to describe with an example ecosystem.
  • Provide one example of a keystone species found in the biome/ecosystem. Why is this keystone species important to the biome/ecosystem?      What defines it as a keystone species? (Biome And Ecosystem)

The Amazon Rainforest Ecosystem 

The Amazon Rainforest, the largest tropical rainforest on Earth, is a biome teeming with biodiversity. This biome spans over nine countries in South America, with the majority located in Brazil. Known for its dense canopy and diverse species, the Amazon Rainforest plays a vital role in regulating the global climate and sustaining an array of ecosystems. Within this lush biome, one finds the intricate Amazon River Basin ecosystem, home to countless species, each contributing to the balance and health of this environment. (Biome And Ecosystem)

Biome And Ecosystem

The Amazon River Basin Ecosystem

The Amazon River Basin ecosystem is characterized by its vast river network, tropical climate, and rich biodiversity. This ecosystem supports a variety of flora, such as towering trees, understory shrubs, and a plethora of epiphytes. These plants form the structural basis of the rainforest, providing habitats and food for numerous animal species.

The fauna of the Amazon River Basin includes a wide array of insects, amphibians, reptiles, birds, and mammals. Iconic species such as jaguars, harpy eagles, and anacondas exemplify the diversity of this ecosystem. Furthermore, the river itself teems with aquatic life, including piranhas, electric eels, and the endangered Amazon river dolphin.  (Biome And Ecosystem)

Keystone Species: The Jaguar

In the Amazon Rainforest, the jaguar (Panthera onca) stands out as a keystone species. This apex predator is crucial for maintaining the ecological balance within its habitat. Jaguars primarily prey on herbivores, such as capybaras, peccaries, and deer. By regulating these populations, jaguars prevent overgrazing and help maintain the vegetation cover essential for other species.

Additionally, the presence of jaguars affects the behavior of other predators and prey, creating a balanced ecosystem. For example, their predation on smaller carnivores, like foxes and ocelots, ensures these species do not deplete the populations of smaller prey animals, allowing for a diverse and stable food web.(Biome And Ecosystem)

Importance to the Biome

The jaguar’s role extends beyond population control. Their hunting activities contribute to nutrient cycling within the rainforest. By consuming various prey, jaguars aid in the redistribution of nutrients through their waste, enriching the soil and promoting plant growth. This nutrient cycling is vital for the lush vegetation characteristic of the Amazon Rainforest.

Moreover, the jaguar’s presence indicates a healthy ecosystem. As a top predator, their survival depends on the availability of prey and intact habitats. Thus, a thriving jaguar population signifies a well-balanced and biodiverse environment. Their status helps scientists monitor the overall health of the rainforest and guides conservation efforts. (Biome And Ecosystem)

Defining a Keystone Species

A keystone species is defined by its disproportionately large impact on its environment relative to its abundance. Jaguars exemplify this definition through their crucial role in regulating prey populations and maintaining ecological balance. Without jaguars, herbivore populations could explode, leading to overgrazing and the subsequent decline of plant species.

This decline would trigger a cascade of negative effects throughout the ecosystem. Reduced plant cover would lead to soil erosion, loss of habitat for other species, and diminished biodiversity. Thus, the jaguar’s role as a keystone species underscores its importance in preserving the intricate web of life within the Amazon Rainforest.

Conclusion

The Amazon Rainforest, with its unparalleled biodiversity and ecological complexity, relies on keystone species like the jaguar to maintain its health and stability. Jaguars regulate prey populations, contribute to nutrient cycling, and indicate ecosystem health, making them indispensable to the rainforest’s integrity. Understanding the jaguar’s role highlights the interconnectedness of species within the Amazon River Basin ecosystem and the importance of conserving this majestic predator. Protecting jaguars ensures the preservation of one of the Earth’s most vital and vibrant biomes. (Biome And Ecosystem)

  • Provide an example of an invasive species found in the biome/ecosystem.  What are some of the negative impacts this invasive species has on the     ecosystem?  What is being done to mitigate impacts?
  • Provide one example of an endangered species found in the biome/ecosystem.  Briefly discuss the causes of the decline in the species and what is being done to help.

Please include at least three academic sources and make sure all sources are cited in your essay.

References

https://www.rainforest-alliance.org/

 

 
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