Environmental science homework help

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Company Analysis – Part 3 – Target Market – Segmentation

The paper assignment this week is the final piece of your Course Project work on the company you chose in Week 1. Major sections of the project are due during weeks 1, 3, 5 with the complete project submitted in Week 6. This project company Target Market/Segmentation paper is the 3rd part of your overall project

Complete an analysis on the primary and secondary target markets served by your project company. Describe each target group, demographic profile and provide data on the size of the market.

Compare your project company’s market position and the targets your project company serves with that of the major competitors in its industry.

Your APA formatted paper should include the following information. Use headings:

·   Overview of paper

·   Primary and Secondary Target Markets

o   Discuss, in general terms, your project company’s primary and secondary target markets – be sure to discuss both the primary and secondary target markets in this section

·   Target Group

o   Choose one target group of your project company and name it. Discuss the group’s demographic profile. Provide as much depth as possible.

·   Market Position

o   Compare your project company’s market position with that of its major competitors. Provide data on the size of the overall market. Provide data(in chart or graph form) on the market share of your organization and your organization’s competitors.

 

·   Conclusion

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Environmental science homework help

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SCI 1015 – Introduction to Life Science – Assignment

Week 8

The Case of the Dividing Cell Questions

 

Part I Questions:

1. What are the major events that occur during each of the stages in the life cycle of a cell such as a skin cell, i.e., Interphase, Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis? Assume you are a court reporter that has to explain these stages to your readers with as little jargon as possible. (6 pts)

a. Interphase

 

b. Prophase

 

c. Metaphase

 

d. Anaphase

 

e. Telophase

 

f. Cytokinesis

 

2. How does cell division differ in prokaryotes and eukaryotes? Clearly, these differences may be difficult for the prokaryotes in the jury to follow unless you show the similarities and differences. (2 pts)

 

Part II Questions:

1. Record the stages of meiosis in eukaryotic cells realizing that there are two cell divisions involved, each having their particular terms and characteristics. (5 pts)

a. Interphase

 

b. Prophase I

 

c. Metaphase I

 

d. Anaphase I

 

e. Telophase I

 

f. Prophase II

 

g. Metaphase II

 

h. Anaphase II

 

i. Telophase II

 

j. Cytokinesis

 

2. List at least 3 key differences between mitosis and meiosis. (3 pts)

 

 

 

3. Crossover occurs between homologous pairs of chromosomes, but can it occur between two different chromosomes, say between #1 and #17? (2 pts)

 

 

 

4. Was it an evolutionary necessity that meiosis evolved at the same time as sexual reproduction? (2 pts)

 

References:

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Industrial Hygiene

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1.) Welding fumes are a common occupational exposure. Several different welding fumes can cause similar adverse health effects. Personal sampling of a welding operation at a manufacturing facility produced the following 8-hour time-weighted average (TWA) results for individual metal fumes. Please see attached document for sampling results.

 

Briefly summarize the primary health effects associated with overexposure to each type of metal fume, including both acute and chronic health effects. Explain what analytical methods you would use for evaluating health hazards in the workplace.

Identify the types of metal fumes that would produce similar health effects on an exposed worker. Assume that each listed metal can cause respiratory irritation. Use the equation in 1910.1000(d)(2)(i) to calculate the equivalent exposure (in relation to OSHA PELS) for the metal fumes with similar health effects based on the “Result” column in the table above. Discuss whether you believe any of the individual metal fume exposures or the combined exposure exceeds an OSHA PEL or an ACGIH TLV.

Your homework assignment should be a minimum of two pages in length.

2.) Choose an operation for a workplace where you once worked or with which you are familiar where either chemical hazards or noise exposures were present. If you have never worked in a location where chemical hazards or noise are present, read about some examples on OSHA’s website and choose one that interests you. Complete the following tasks in a minimum two-page (500 word) essay:

· Summarize the steps you would take to perform a hazard assessment of your chosen operation. Make sure you list the chemical hazards or noise hazards that are present using the example hazard assessment from OSHA’s website or one with which you are already familiar.

·  Discuss the use of personal protective equipment (PPE) for controlling occupational hazards in relation to the operation you chose.

·  Choose one hazard that you identified. The hazard can be a chemical or noise hazard. Summarize how you would evaluate employee exposures to the hazard. Include information about any sampling method you would use, how many samples you would collect, the types of samples you would collect (e.g., personal or area, TWA or short-term), and to which standards you would apply the results.

· Assume there are several results indicating that employees are exposed to levels exceeding the applicable OSHAPEL. Using OSHA’s Hierarchy of Controls, summarize the control methods you would employ to reduce the risk for employees to an acceptable level. Your summary should include examples from each level of OSHA’s Hierarchy of Controls with a discussion of why you think the control would or would not be an effective method for reducing the exposure to an acceptable level.

· Discuss how you would evaluate the effectiveness of the control methods you chose, both in the short-term and for the next 5 years.

Your essay must be in APA format, and include a minimum of two sources.

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geology homework

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1. Which of the following was so unusual about the Oso landslide?

 

 

Select one:

a.

Debris and dirt in the 600 ft high slope spread for an entire mile across the valley

b.

The seismic signal for the event indicated 2 phases of flow

c.

Covered a 1-mile wide stretch of HWY 530

d.

This earth material came off the wall and travelled across the valley in 138 seconds

 

2. What is regolith?

https://www.youtube.com/watch?v=Pl2cHrHpdYk

 

Select one:

a. Raw slope left behind after a landslide

b. Chunks that continue to calve off after the landslide

c. Laser-based altimetry

d. Weathered soil on top of bedrock

3. Which of the following statements about mass movements is NOT true?

Select one:

a. occur in every U.S. state

b. occur wherever there are elevated slopes

c. cause more deaths than floods worldwide

d.

cost the U.S. billions annually

 

4. New technologies are key to study and estimation of geologic hazards. What is the advantage of lidar (laser-based altimetry) for estimating landslide hazards?

https://www.youtube.com/watch?v=eBUCGxZq_xg

https://www.youtube.com/watch?v=Pl2cHrHpdYk

 

 

Select one:

a. It allows geologists to determine how long ago landslides occurred

b. It allows geologists to determine how frequently landslides occurred

c. It allows geologists to model the topography at a high resolution

d. It allows for visualization and mapping of past landslides and their scars below vegetation on the landscape

 

5. Which of the following new technologies was NOT employed in the case of Oso?

https://www.youtube.com/watch?v=Pl2cHrHpdYk

Select one:

a. Satellite imagery and aerial photography from past years that show changes in the landscape over the past century

b. Thermal cameras that identify bodies of live victims buried at the distal ends of landslides

c. Augmented reality mapping system with pre-disaster aerial photography that shows the layout of the village in 3D

d. Radar and laser beams that measure minuscule movements of the earth’s surface

 

6. What feature in the landscape is essentially responsible for the recurrence of landslides near Oso?

https://www.youtube.com/watch?v=Pl2cHrHpdYk

Select one:

a. the high porosity of the sand and gravel that make up the 600 ft high valley wall

b. the river and its changing location on the valley floor over time

c. the village built on the slope below the valley wall

d. the position of the coastline and its wave-dominated processes

 

7. Which part of the Oso slide was fluidized, as detected using seismic instrumentation?

 

 

Select one:

a. The toe of the slide

b. Head

c. Lower half of the slope (the body)

 

 

8. Which factor was least responsible for the rapid flow of the Oso Slide?

 

 

Select one:

a. The elevation of the slope

b. Clay formed an aquiclude underneath the sand and gravel on the slope, so the rainwater couldn’t sink deeper and dissipate

c. Pacific northwest rain (and lots of it!) that caused liquefaction

d. The porosity of the material

 

9. Which part of a landslide can not support the formation of a lake after the failure occurs?

Select one:

a. The unconsolidated gaping head and scarp of a landslide

b. The toe of the slide moves out into and fills a river valley

c. The consolidated and hummocky body of the slide

 

 

10. How can you use technology combined with your knowledge to avoid buying a home on a past (and still active!) landslide?

 

 

Select one:

a. Walk the property and look for cracks that run perpendicular to the downhill slope as well as hummocky (lumpy and bumpy) ground

b. All of these

c. Look at aerial photos to see how the shape of the slope changed over time

d. Download lidar for your area to look for tell-tale signs of a past slide

e. Walk the property and look for springs that leak to the surface and

suggest an aquiclude at depth

 

 

11. Which mitigation measure is sufficient for shallow slides but won’t protect from rockfalls?

 

 

Select one:

a. Gabions (bioengineering and rocks): https://www.youtube.com/watch?v=Pl2cHrHpdYk

b. Catchment fence: https://www.youtube.com/watch?v=N31bJKcaJcw&index=8&list=PLFD9867338D1B7144

c. Protection barrier: https://www.youtube.com/watch?v=QrXV_AXZhF4&index=7&list=PLFD9867338D1B7144

d. Protection facility: https://www.youtube.com/watch?v=Hnl7QF1q51k&list=PLFD9867338D1B7144&index=6

 

 

 

12.  Go to this web site, which shows a landslide map (map of mass-movement potential) for the conterminous U.S. (48 states):

 

http://geology.com/usgs/landslides/

 

Which best describes the areas that have the largest amount of landslides?

 

Select one:

a. The potential for landslides is about the same throughout the country.

b. Landslide potential is greatest in the mountainous parts of the country.

c. The southern states, between Texas and Florida, have the highest landslide potential.

d. California has more landslide potential than any other part of the country.

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Watch the video to answer the question

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Question 1 What does comparing data maps of  disease  rates in the different Louisville council districts reveal? What might explain observed differences?

 

 

Question 2 What did the Whitehall study reveal about the connection between health and wealth? What is the wealth-health gradient?

 

 

 

Question 3 How is  chronic stress  different than acute  stress ? How might  chronic  stress increase the risk of illness and disease?

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Discussion

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Read The Sixth Extinction, pages 161-240.

Answer  TWO  questions, and then reply to a classmate’s post with a 1- or 2-sentence follow-up.

1) Do you have any personal reactions to the information or argument presented in the book so far? Anything you agree with or disagree with? Are there any portions of the book that seem unclear? Please include 1 or 2 quotes from the text in your response.

2) What is your favorite section of the reading for this week? Quote a passage and explain why you like it so much.

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A Permit by Rule (PBR) Evaluation for Painting Operation Facility

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Unit IV Mini Project

  • Weight: 11% of course grade
  • Grading Rubric
  • Due: Tuesday, 05/19/2020 11:59 PM (CST)
Instructions

As a continuation of our course project due in Unit VII (A Permit by Rule (PBR) Evaluation for Painting Operation Facility), complete the next section—Operational Air Emission Rates—of your proposal by following the instructions carefully, and then submit your continued draft of your evaluation document into Blackboard for grading.

  1. Closely read the required reading assignment from the textbook as well as the unit lesson in the study guide.
  2. Open your proposal draft from Unit III, and make any improvements to your draft using your professor’s feedback from the Unit III Mini Project.
  3. Open the Unit IV Study Guide, read the Unit IV Lesson, and then review the calculations demonstrated and explained regarding the operational air emission rates, 5-hour average period, and potential to emit (PTE) statistical model calculations for our scenario. Be sure to use the scenario data instead of the data used in the study guide examples.
  4. Make your Unit IV work the third level 1 heading, titled “Operational Air Emission Rates.” Describe the environmental, health, and safety (EHS) implications of VOCs in the work system while pulling from the textbook as well as any other relevant sources that are presented in the unit lesson in the study guide. In your description of the EHS implications of the system, be sure to discuss the natural and anthropomorphic variables causally related to adverse health effects on humans. Perform and present (not hand-written, but neatly typed) the calculations for the following in this section of your project: (a) calculating maximum hourly and annual emission rates, (b) reporting the emission rate averaged over a five-hour average period compared to the DEQ permit limits, and (c) reporting the potential to emit compared to the DEQ permit limits.
  5. In your abstract section (page 2 of the document), write one or two sentences that reflect your work for this unit. Remember that we are adding one sentence per unit to reflect our work as we go, with the final abstract length being about 8 to 10 sentences long.

Your narrative and calculations for operational air emission rates must be presented in at least 200 words (minimum). You are required to use at least one outside source, which may be your textbook. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying APA citations.

 

Unit V Mini Project

  • Weight: 11% of course grade
  • Grading Rubric
  • Due: Tuesday, 05/26/2020 11:59 PM (CST)
Instructions

As a continuation of our course project due in Unit VII (A Permit by Rule (PBR) Evaluation for Painting Operation Facility), complete the next section—Operational Air Emission Rates—of your proposal by following the instructions carefully, and then submit your continued draft of your evaluation document into Blackboard for grading.

  1. Closely read the required reading assignment from the textbook as well as the unit lesson in the study guide.
  2. Open your proposal draft from Unit IV, and make any improvements to your draft using your professor’s feedback from the Unit IV Mini Project.
  3. Open the Unit V Study Guide, read the Unit V Lesson, and then review the calculations demonstrated and explained regarding the operational air emission rates, five-hour average period, and potential to emit (PTE) statistical model calculations for our scenario. Be sure to use the scenario data instead of the data used in the study guide examples.
  4. Make your Unit V work the fourth level 1 heading titled “Operational Face and Filter Velocities.” Describe the environmental, health, and safety (EHS) implications of VOCs in the work system while pulling from the textbook as well as any other relevant sources that are presented in the unit lesson in the study guide. In your description of the EHS implications of the system, be sure to discuss the variables causally related to adverse health effects on both ecological systems and physical structures. Perform and present (not hand-written, but neatly typed) the calculations for the following in this section of your project: (a) calculate the face velocity and (b) filter velocity of your scenario’s work system.
  5. In your abstract section (page 2 of the document), write one or two sentences that reflect your work for this unit. Remember that we are adding one sentence per unit to reflect our work as we go, with the final abstract length being about 8 to 10 sentences long.

Your narrative and calculations for operational air emission rates must be presented in at least 200 words (minimum). You are required to use at least one outside source, which may be your textbook. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying APA citations.

 

Unit VI Mini Project

  • Weight: 11% of course grade
  • Grading Rubric
  • Due: Tuesday, 06/02/2020 11:59 PM (CST)
Instructions

As a continuation of our course project due in Unit VII (A Permit by Rule (PBR) Evaluation for Painting Operation Facility), complete the next section—VOC Content Minus Water and Exempt Solvents—of your proposal by following the instructions carefully, and then submit your continued draft of your evaluation document into Blackboard for grading.

  1. Closely read the required reading assignment from the textbook as well as the unit lesson in the study guide.
  2. Open your proposal draft from Unit V, and make any improvements to your draft, using your professor’s feedback from the Unit V Mini Project.
  3. Open the Unit VI Study Guide, read the Unit VI Lesson, and then review the calculations demonstrated and explained regarding VOC content minus water and exempt solvent calculations for our scenario. Be sure to use the scenario data instead of the data used in the study guide examples.
  4. Make your Unit VI work the fifth level 1 heading titled “VOC Content Minus Water and Exempt Solvents.” Describe the environmental, health, and safety (EHS) implications of the work system while pulling from the textbook as well as any other relevant sources that are presented in the unit lesson in the study guide. In your description of the EHS implications of the system, be sure to discuss the methods for sampling, quantitatively analyzing, and evaluating air quality.
  5. Perform and present (not hand-written, but neatly typed) the calculations for the following in this section of your project: (a) gallons of water in one gallon of coating, (b) gallons of exempt solvent (ES) in one gallon of coating, and (c) pounds of VOC in one gallon of coating (less the water and ES) per day. Determine if the work system is still going to need any administrative controls to keep it is compliance with the state requirements.
  6. In your abstract section (page 2 of the document), write one or two sentences that reflect your work for this unit. Remember that we are adding one sentence per unit to reflect our work as we go, with the final abstract length being about 8 to 10 sentences long.

Your narrative and calculations for operational air emission rates must be presented in at least 200 words (minimum). You are required to use at least one outside source, which may be your textbook. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying APA citations.

 

Unit VII Course Project

  • Weight: 12% of course grade
  • Grading Rubric
  • Due: Tuesday, 06/09/2020 11:59 PM (CST)
Instructions

To finish our course project (A Permit by Rule (PBR) Evaluation for Painting Operation Facility), complete the last section—Heater and Oven Combustion Emissions—of your proposal by following the instructions carefully, and then submit your continued draft of your evaluation document into Blackboard for grading.

  1. Closely read the required reading assignment from the textbook as well as the unit lesson in the study guide.
  2. Open your proposal draft from Unit VI, and make any improvements to your draft using your professor’s feedback from the Unit VI Mini Project.
  3. Open the Unit VII Study Guide, read the Unit VII Lesson, and then review the calculations demonstrated and explained regarding heater and oven combustion emissions calculations for our scenario. Be sure to use the scenario data instead of the data used in the study guide examples.
  4. Make your Unit VII work the sixth level 1 heading titled “Heater and Oven Combustion Emissions.” Describe the environmental, health, and safety (EHS) implications of the work system while pulling from the textbook as well as any other relevant sources that are presented in the unit lesson in the study guide. In your description of the EHS implications of the system, be sure to discuss the methods for statistically modeling air quality mathematically and with modeling software options.
  5. Perform and present (not hand-written, but neatly typed) the calculations for the following in this section of your project (a) nitrous oxides (NOx), (b) carbon monoxide (CO), (c) particulate matter (PM), (d) volatile organic compounds (VOC), and (e) sulfur dioxide (SO2) for BOTH hourly emissions(short-term) in lb/hr AND annual (long-term) emissions in ton/year.
  6. In your abstract section (page 2 of the document), write one or two sentences that reflect your work for this unit. This now completes your abstract for this document.

Your narrative and calculations for operational air emission rates must be presented in at least 200 words (minimum). You are required to use at least one outside source from the CSU Online Library. All sources used, including the textbook, must be referenced; paraphrased and quoted material must have accompanying APA citations.

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Environmental science

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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 green slime outbreaks 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 12 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? (6 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. (6 points)

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Industrial hygiene Questions

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1.) Define the following terms associated with occupational noise:
a. Wavelength

b. Frequency

c. Sound Pressure

d. Decibel

e. Octave Band

Your response must be a minimum of 200 words in length.

2.) 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.
Your response must be a minimum of 200 words in length.

3.) 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. Your response must be a minimum of 200 words in length.

4.) 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.
Your response must be at least 200 words in length.

5.) 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.
Your response must be at least 200 words in length.

6.) 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.
Your response must be at least 200 words in length.

7.) 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.
Your response must be at least 200 words in length.

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body system and diseases worksheet

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Complete the Body Systems and Diseases worksheet.

Cite at least 1 reputable reference for each of the required body systems in your chart. Reputable references include trade or industry publications, government or agency websites, scholarly works, a textbook, or other sources of similar quality.

Format your references according to APA guidelines. Use the Center for Writing Excellence Tutorials & Guides (citation generator, sample paper) for appropriate APA formatting resources.

Submit your assignment

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