1. physics....

    Make a list of the characteristics of light that a model should explain: rectilinear propagation, reflection, refraction, partial reflection, partial refraction, dispersion, and diffraction. Briefly discuss how the wave model of light and the particle
  2. Biology

    what is the lense in the eyepiece of a microscope called? I thought it was just called a lens. However, since this is not my area of expertise, I searched Google under the key words "microscope parts eyepiece" to get these possible sources:
  3. Science Help!!!!

    To solve the problem of a polluted stream a scientist traced where the pollution was coming from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of
  4. MAT101

    For each of the relationships below, explain whether you think it is best described by a linear function or a non-linear function. Explain your reasoning. a. A person's height as a function of the person's age (from age 0 to 100) b. The probability of
  5. MAT101

    8. For each of the relationships below, explain whether you think it is best described by a linear function or a non-linear function. Explain your reasoning thoroughly a. A person's height as a function of the person's age (from age 0 to 100) b. The
  6. History!

    ***IGNORE THE CHARTS/GRAPH QUESTIONS!! UNLESS YOU KNOW THE ANSWER OR HAVE SEEN THE CHARTS! THANKS!! :) *** For whom was South Carolina named? (1 point) Queen Caroline King Charles I**** King Charles II Queen Elizabeth 2. What is an important reason to
  7. Check! Bio!

    Since photosystem II occurs before photosystem I, why are they not named in reverse? My answer: Historically photosystem I was named one since it was discovered before photosystem II but this does not represent the order of the electron flow. Also, some
  8. Marketing

    A)Explain why the return on investment in advertising diminishes as more is invested in advertising. I understand that ROI= (Gain from investment – Cost of Investment)/Cost of Investment. I guess I could say that the more you invest in advertising (Cost
  9. Chemistry

    The mass of the earth is known to be about 5.98 X10^24kg assume that it is approx. spherical with an average diameter of 1.276X10^7 METERS. from these data calculate the average density of the earth(g/cm^3) could the earth be made mostly of water
  10. Ethics

    I have an assignment to due on Hispanic American Diversity. I have to chose 4 Hispanic groups. I chose Mexican Americans, Puerto Ricans, Dominican's, and Cubans. I have to write a research paper and identify the linguistic, political, social, economic,
  11. Math

    The average maximum temperature in January for Killeen, Texas is 59º F. The average maximum temperature in January for Buffalo, New York is 27º F. This January, Killeen’s average maximum temperature was five degrees below normal, and Buffalo’s
  12. Economics

    A nations capital goods wear out over time, so a portion of it's capital goods become unusable every year. Last year, its residents decided to produce no capital goods, It has experienced no growth in its population or in the amounts of other productive
  13. Biology research paper

    'We are currently in an energy crisis. After food, fossil fuels are humanity's most important source of energy. These resources take millions of years to make. We are currently using the fuels that were made more than 300 million years ago, before the time
  14. Algebra 2

    A sound wave is modeled with the equation y= 1/4 cos2pi/3 theta. a. Find the period. Explain your method. b. Find the amplitude. Explain your method. c. What is the equation of the midline? What does it represent? a) Period: 2pi/b 3 units T= 2pi/2pi/3 =
  15. eth

    ‚· Prepare a 1,400- to 1,750-word autobiographical research paper that analyzes the influences of race as it relates to your community. In your paper, write your first-person account of how human interactions in your community have been racialized. For
  16. Algebra 1 (Reiny or Kuai)

    1. The school band sells carnations on Valentine's Day for $2 each. They buy the carnations from a florist for $0.50 each, plus a $16 delivery charge. a. Write a system of equations to describe the situation. A: y = 2x; y = 0.50x + 16. b. Graph the system.
  17. HSM 240

    I can not even get started on this - anyone have any ideas to throw me? It is due today, but I'm sure I will be turning it in late. Writing Assignment: “Evaluating Eligibility Rules” The purpose of this assignment is to assess whether or not students
  18. critical thinking

    how can i go about answering the rest of the question. can you give me examples i can use? thank If being part of a group and seeking and obtaining status in that group lead to individual success, what’ s wrong with herd-instinct? Explain in detail,
  19. Psychology

    Trace the memory system from stimuli into long-term memory. Discuss the features of each step and factors that enhance or impede information flow in each step of the process. Explain proactive and retroactive interference and how you might counteract their
  20. Equation of Time

    Found a site containing a graph of the equation of time. If the graph was from yr 1998 will it still be OK to use today. Does the equation of time vary much from year to year? Thank you Mike I'm not quite sure about what you are asking. Since this is not
  21. Managerial Economics

    Looking at controlling government roles in managing health risks in society it faces from exposure to environmental pollution. One major problem that was examined was the cleanup of hazardous waste sites. Some people were extremely critical of policymakers
  22. algebra

    (1) Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-world example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If
  23. algebra

    Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-world example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If so,
  24. algebra

    Explain the words relation and function. Include in your explanation how the meanings of the two words differ. Give a real-word example of a relation that is not a function. Is it possible to give an example of a function that is not a relation? If so,
  25. SS

    How does British Columbia’s geography contribute to its economic and cultural ties with the Pacific Rim? The economics of British Columbia and Pacific Rim countries are similar. British Columbia’s nearness to the other Pacific Rim countries has led to
  26. STATISTICS

    Researchers asked questions in 1001 randomly selected adults in Russia. We found a statistically significant, strong positive correlation between income and the number of recycling bins filled their houses per week (r = 0,77). Choose the best
  27. History

    Without our two political parties cutting across economic and geographic interests democracy as we know it could never have been made to funtion. The author probably meant to suggest that a) an important feature of u.s. political system is the broadly
  28. social studies

    Without our two political parties cutting across economic and geographic interests democracy as we know it could never have been made to funtion. The author probably meant to suggest that a) an important feature of u.s. political system is the broadly
  29. social studies

    Without our two political parties cutting across economic and geographic interests democracy as we know it could never have been made to funtion. The author probably meant to suggest that a) an important feature of u.s. political system is the broadly
  30. Social Studies help!!!!

    President James Monroe proclaimed the Monroe Doctrine in 1823. What is the main point of the doctrine? A. The U.S. pledged to avoid all involvement in European affairs in return for favorable European trade. B. The U.S., along with France's military and
  31. eth/125

    ·Write a 700- to 1,050-word essay in which you answer the following questions: Conduct research to determine if the ethnic group colonized or if it immigrated to the United States. What country did they originate from and why did they enter the U. S.? Did
  32. Economics

    1)The director of marketing at Vanguard Corporation believes the sales of the company’s Bright Side Laundry detergent (S) are related to Vanguard’s own advertising expenditure (A), as well as the combined advertising expenditures of its three biggest
  33. History/Ms.Sue

    Thank you for that last thought. But is what I wrote pro-war. (and me against global peace) I just need to know if i did it right. What would I write for religion because my other ones I had first, pro-war diminishes population. Then for the other one I
  34. history

    You are now ready to write! Imagine you are preparing a tour guide web page for a time traveler going to the Middle Ages. Use the space below to write down the order in which you want to present each social group: serfs, nobles, clergy merchants, monarchs,
  35. Physics Help

    Consider a glass with full of water of mass density ρ=1,000 kg/m3 and height h=20 cm. There's a circular hole in the bottom of the glass of radius r. The maximum pressure that pushes the water back into the hole is roughly (on the order of) p=σ/r, where
  36. Physics

    Consider a glass with full of water of mass density ρ=1,000 kg/m3 and height h=20 cm. There's a circular hole in the bottom of the glass of radius r. The maximum pressure that pushes the water back into the hole is roughly (on the order of) p=σ/r, where
  37. English

    What is the differecne between a weaseler and a downplayer. Since this is not my area of expertise, I searched Google under the key words "weaseler downplayer" to get these possible sources:
  38. people

    how did Nelson Mandela help to the end of apartheid? Since this is not my area of expertise, I searched Google under the key words "Nelson Mandela" to get these possible sources: http://en.wikipedia.org/wiki/Nelson_Mandela (Broken Link Removed)
  39. Social Studies

    What is one way that the people have changed the environment in parts of West and Central Africa? a. They have made all of the land arable b. They have cut down trees faster than they can grow back c. They do not use any land for farming d. They use all of
  40. American Government

    I am having difficulty completing the following essay questions..... Explain the purpose of THE FEDERALIST PAPERS and their effect on American founding documents. What are standing committees in Congress? What duties and functions do they perform? Include
  41. Socials(Ms.Sue)

    No, the government never has the right to sacrifice individual liberties in the name of freedom because those rights make us individuals stand out. It is important for us individuals to stand out because we make a community. Some individual rights are
  42. History

    The impact of increased discrimination and segregation practices between 1876 and 1900 in the District. Be sure to describe how this discrimination and segregation diminished social, economic, and political gains which were enjoyed by black Washingtonians
  43. macro

    Suppose that the position of a nation's long-run aggregate supply curve has not changed, but its long-run equilibrium price level has increased. Which of the following factors might account for this event? a. A rise in the value of the domestic currency
  44. Microeconomics

    Suppose that the position of a nation's long-run aggregate supply curve has not changed, but its long-run equilibrium price level has increased. Which of the following factors might account for this event? a. A rise in the value of the domestic currency
  45. biology question

    the entire molecule apparatus is also named the ATP _________ complex. 1. synthetase 2. synthase 3. synthesis 4. hydrolysis I assume the answer is either 1 or 2 because 3 and 4 are nouns and we need a verb. I lean more towards number 2. please help. First,
  46. Social Studies

    What was the name of the government that was developed after the revolutionary war? I do believe that it would be the Articles of Confederation, which eventually failed.. Articles of confederation is not the "name of the government." Do you mean First
  47. URGENT Home Economics

    I've got this assignment that has to be posted to the board of examinations in the morning and I don't know how to go about this question AT ALL... Reserch has highlighted the close relationship between health, nutrition and socio-economic status.
  48. Yr 10 English

    Hey guys, Need help with an intro of this question or a prompt. Imagine you're a 12 year old boy from Afghanistan who is newly arrived in Australia. Write a diray entry outlining your experiences of your first day at school. Include 5 words from the
  49. environ. probl-please revise

    Discuss an environmental problem that you feel is significant in your town or city. What are some causes? Are any of these causes related to human values and environmental ethics? Explain. Environmental problem faces a variety of issues around the world
  50. Math

    Explain It In one night, George reads 3 chapters of a book with 27 chapters. After the second night, he has read a total of 8/27 of the book. Explain how you would determine the number of chapters George read the second night. Solve the problem.
  51. mathematics

    draw a table illustrating the number of edges, face, vertics each of the following solid have cube, cuboid, cylinder, cone, prism, pyramid, sphere. I searched Google under the key words "geometric solids" to get these possible sources:
  52. English

    Can someone edit this essay? High school is a menacing, over-bearing world that hardly gives the average student to even stop and think. With the threat of a possible test or project coming up, combined with constant homework, it's easy to forget you're
  53. finance

    One yaer fom now, how much value creation is expected from the expansion? How much value is expected for stockholders? Bondholders? "Economic Growth " Probability W/O Expansion "With Expansion " "Total Without Expansion " "Total With Expansion " Low 0.3
  54. FINANCE 200

    An aggressive working capital policy would have which of following characteristics? A. A low ratio of short-term debt to fixed assets. B. A high ratio of short-term debt to long-term sources of funds. C. A short average collection period. D. A high ratio
  55. english

    for each of the five quotes identify the literal meaning , how this quote develops theme and the sources. these quotes are from hamlet by the way 1.A litte ere the mightiest Julius fell, The graves stood tenantless, and the sheeted dead Did squeak and
  56. French/Sra

    You decide to enter a contest for a shopping spree at your favourite clothing store. Write a paragraph describing what new clothes you need for summer and why you need them. Include the color of 5 articles of clothing that you would like and what
  57. English 1

    I have to write an essasy about "The Man to Send Rain Cloids" and "The Rules of the Game". In my essay I have to identify 3 examples of cultural differences creating conflict. For each of the 3 examples, I have to point out how it helped to create an
  58. HEEEEEEELP

    HI I have no idea what's Alternative energy source . Can anyone help me in giving me a defintion for it thanx An alternative energy source is an additional one that is not being used already. It depends on what source is predominant or currently being
  59. law and society

    what r the laws and punishment for each laws in Japan ? If you want to knoow about Japanese laws, this is a very broad subject. It might be helpful if you indicated which laws or areas of laws interested you. Since this is not my area of expertise, I
  60. language

    Verbs in Predicates A. Write the verb in the complete predicate. 1. They climb mountain. 2. They sit by waterfalls. 3. Rangers share nature stories. 4. Guides explain different areas. 5. Visitor like the area. Answer 1. Climb mountains. 2. Sit by
  61. Corporate Finance

    A company wants to build a new factory for increased capacity. Using 3 capital budgeting methods, make a determination about the economic viability of the proposal using the following information. Building a new factory will increase capacity 30% Current
  62. Math

    Hello, I need a little assistance with showing my work on this question. The equation is -4 7/8 x 2/3. I have to explain how this person is wrong then show the work the correct way. Okay so the person's work is written as, "-4 7/8 x 2/3 = -4 14/24 = -4
  63. Economics

    Given P=140-0.6Q, TC1=7q1, TC2=0.6q2 the power of 2. A. Determine the short run equilibrium output of each duopoly ignoring their Independence ( with naive assumptions). B. What is the short run market price ? C. Find the demand functions of the duopolies
  64. physics(check my answer)

    A 60.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air resistance and his center of mass rises by a maximum of 14.9 cm. Model the floor as completely solid and motionless. (a) Does the
  65. socials

    how burden of debt in developing countries not prevent government frm loooking aft basic need of individual? since the projects that they had encourage government in developing countries weren't successful. the western banks wanted to lend money for these
  66. Chemistry

    I know the first two answers but I am stumped on the treatments and how they work chemically. A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session,
  67. English

    1. Both Walt Whitman and Emily Dickinson were influenced by the Romantics. Choose one of the two poets. Provide at least three ways that he or she reflects Romantic thinking in his or her writing. Then give an example from one of the works that you studied
  68. Geometry

    Given a quadrilateral having coordinates A(6,8), B(12,4), C(6,0) and D(4,0), first graph the quadrilateral on graph paper and connect the vertices. Shade in the quadrilateral and then reflect it across the x-axis. Do NOT shade in the resulting image. Now
  69. Statistics

    A nutritionist wants to conduct a study to validate the efficacy of an herb as an aid in weight loss. She randomly assigns half of a group of overweight persons to a treatment group who are given the herb with instructions for its use and a planned diet
  70. english

    is bertha the dark double of jane(eyre) Since this is not my area of expertise, I searched Google under the key words "'Jane Eyre' Bertha" to get these possible sources: (Broken Link Removed) http://en.wikipedia.org/wiki/Jane_Eyre
  71. History

    What economic reasons contributed to the beginning of the French Revolution? (Select all that apply.) king Louis xvi required Protestants to pay higher taxes king Louis xvi required Catholics to pay higher taxes france was in debt due to overspending on
  72. History of Arabia and Iraq

    I need some help with some questions. Question #1: Which of the following most contributed to the rise of Sumer? a. agriculture b. trade c. military conquest d. monotheism According to what I have studied Sumerians developed a civilization, but they also
  73. Social Studies And Business

    Since no one answered and I NEED IT ASAP 1. Customers cannot purchase every product. How does this fact affect companies that make products? A: They increase costs to make up for low sales. B: They decrease quality to make up for low sales. C: They provide
  74. Business Law

    Many organizations have established policies to remedy discrimination in hiring of women and minorities. * Discuss whether or not you feel that affirmative action programs, reverse discrimination, and criteria of comparable worth are appropriate forms of
  75. biology

    What happens to denatured enzyme? Explain the reason with the help of the lock and key model. -i can explain for the denatured enzyme but how can i expalin it in term of the lock and key model....
  76. Chemistry (Check)

    Q: Identify all that is incorrect about the set of four quantum numbers and explain why. {-3, 2, 1, 1/2} A. -3 because there can't be a negative orbital. Q: Identify all that is incorrect about the set of four quantum numbers and explain why. { 3, 2, 1/2,
  77. Honors Chemistry

    "Would it be possible to have an addition polymer synthesized from a monomer that has only single bonds? Why or why not?" ==> I know that an addition polymer can only be synthesized from a monomer that has double bonds, but my textbook did not explain why.
  78. Science

    1) A piece of paraffin wax has a density of 9g/cm3, mass of 900g, and a volume of 100cm3. If the wax was melted to the liquid state, approximately what would it's volume be? Would this wax float or sink in water? Explain. 2) A tin box ( Mass of 80g, Volume
  79. Biology

    In detail can someone please explain to me how cooking eggs makes them safe to eat in connection with enzymes Thank you I understand that enzymes are killed because of the heat as it is a factor in destroying the enzymes activity but how does this explain
  80. statistics

    Two cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of Jacks drawn in a set of 2 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this
  81. Math

    Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this
  82. NEED HELP PLZ!!! STATS

    Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this
  83. Stats

    Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this
  84. History

    I need help finding the answers! 1. Which of the following key terms has been responsible for the formation of many limestone caves in northern Georgia? (1 point)fault erosion plateau elevation 2. Which of the following regions is located in the
  85. anthrpology

    Is my answer correct. I can't found Confederacies 1.Discuss the differences between bands, tribes, chiefdoms, confederacies, and states. Then indicate what roles kinship and associations play in each of these systems Band: small kin-based group among
  86. geography

    We have to define the stages of economic growth and place one Latin America country under each stage. One of the stages is capital intensive. Wealth is created through the efficient use of moneyy. Industrailziation manufacturing occurs. Investment/loans to
  87. Math - Oh my gosh please help!

    Lisa's Running Distances Day Distances (in kilometers) Monday 2.05 Tuesday 4.10 Wednesday 3.80 Thursday 1.95 Friday 4.05 Estimate the average distance, in kilometers, Lisa ran for the five days. Explain your estimation strategy. Based on your previous
  88. biology

    Explain the vascular system of a lilac flower Some sites would help me very much as i cant find any that explain the vascular system of the lilac flower.
  89. social studies

    Characterize the united states culture according to the five categories of value orientation theory:man-nature,activity, time,human nature, relational. What is your view on Us culture. I am reading a book about the US cultures. I just wanted to hear or
  90. Psychology

    Hi Jiskha Instructors, I am having a real difficult time finding answers to my five questions. Is there someone who can help point me in the right direction to credible or reputable website sources? Or answer these five questions. I need a credible
  91. science

    • Explain the flow of energy through the ecosystem using specific plant and animal examples. Correctly use the following terms in your example and explanation; primary producer, primary consumer, secondary consumer, tertiary consumer, trophic level. •
  92. english

    Discuss how realism affects the way a reader might approach the different issues in My Antonia such as suicide, the representation of the harshness of the prairie, or even Jim's views of life, etc. Since I have not read this story, I searched Google under
  93. Business

    Gurinder singh runs a small business that manufactures office furniture. His best selling products are office desks and chairs. Sales turnover has risen but profits have stayed constant. The business is also experiencing cash flow problems. a) Explain 2
  94. Physics

    A rock of mass m and a rock of mass 2m are both released from rest at the same height and fee no air resistance as they fall. Which statements about these rocks are true? (there may be more than one!) EXPLAIN HOW YOU KNOW THEY ARE TRUE AND EXPLAIN WHY THE
  95. Economics

    Rank in order from best to worst, the economic systems(command, market and mixed) according to which, in theory, best attempts to meet the conditions of The Human Development Index. Why did you rank them this way. I am thinking (in theory): 1-command
  96. psych

    Give some background information on your hypothetical observational study - describe the setting that you would use for your observational study, why you are interested in this study and what you hope to learn. (2) Explain whether you would be an
  97. English

    Where can you find a list of credible sources on the internet, like website for research papers. Critical reading is the best guide to content credibility. In the early days, sites with .edu were reliable, but I find that is no longer a reliable guide. My
  98. FACS Project Help!

    I have this project for facs (family and comsumer science) and I really need help. UNIT: Personal Development Topic: The One & Only You! Lesson: The UNIQUE you! Review Question Due Date: 2/15/12 1. Identify - What are four (4) influences that give you a
  99. English

    Hello! Need some ideas and suggestions.How can I explain to the learners of English as a foreign language (4th grade, 4th year of learning) the following two things: 1.They have a picture of a traffic in the street in their books. First they are repeating
  100. Physics! PLEASE HELP re Newton's Laws

    What would you do given the following scenarios? 1. You are the capitan of a spacecraft traveling in the far reaches of outer space, a great distance from any other body. Unexpectedly your radar indicates a meteor on a collision course with your craft,