victoria

Most popular questions and responses by victoria
  1. science

    which of earths spheres contains most of is mass ? a) atmosphere b) hydrosphere c) geosphere d) biosphere

    asked on November 10, 2013
  2. Life orientation

    Three examples of human rights violation or discrimination and give reasons for your choice

    asked on April 14, 2019
  3. science

    A geologists working in a national park finds a mineral he is carrying a kit that contains a penny, a hand lens, a piece of tile, a geologic hammer, and a jackknife. Describe how the geologists can use these items to determine some of the minerals

    asked on February 18, 2014
  4. science

    which type of eclipse would you expect to see if the moon passes directly between earth and the sun? a) a solar eclipse b) a lunar eclipse c) a total lunar eclipse d) a penumbra

    asked on October 30, 2013
  5. science

    erosion and weathering are examples of which type of forces ? a) constructive forces b) destructive forces c) gravitational forces d) inertia-related forces

    asked on November 11, 2013
  6. science

    which of earths spheres contains mountains,valleys , and other landscapes ? a) atmosphere b) biosphere c) geosphere d) hydrosphere

    asked on November 5, 2013
  7. science

    which of the following statements best describes the biosphere? a) it is a mixture of gases that contain dust particles b)it contains earths metal core c) it contains all of earths water d) it it the part of earth that contains living organisms is it d ?

    asked on October 30, 2013
  8. science

    Define the geological time scale and explain why geologists use it to show Earths History.

    asked on December 18, 2013
  9. science

    Every year Eli and his family visit Great sand dunes desert in Colorado.Elliott notices that more dunes with varied shapes and sizes appear each year.Explain what causes phenomenon.

    asked on March 10, 2014
  10. science

    How does a stars life begin ?

    asked on November 22, 2013
  11. science

    What are differences between spiral and elliptical galaxies?

    asked on December 1, 2013
  12. science

    1. Which of the following is evidence that groundwater cause erosion and deposition ? a) the formation of meanders b) the formation of large boulders in the desert c) the formation of alluvial fans d) the formation of stalagmites and stalactites in caverns

    asked on March 10, 2014
  13. English

    In the odyssey Penelope best displays loyalty when she A) Weeps in her bed at night. B) Devises a plan to delay her marriage in Odysseus's absence. C) Finishes sewing a burial shroud for Odysseus's father. D) Announces that she will marry the winner of the

    asked on May 20, 2017
  14. science

    Some constellations such as Ursa Minor, are visible in the sky year round other constellations appear for only part of the year.Explain why this happens.

    asked on November 22, 2013
  15. science

    which of the following is the smallest conceivable amount of time that could pass between a lunar eclipse and a solar eclipse ? a) about 14 days b) about 28 days c) about 183 days d) about 365 days

    asked on November 13, 2013
  16. Math

    Deana invests some money that earns interest compounded annually. At the end of the first year, she earns $400 in interest. At the end of the second year, she earns $432 in interest. a) what interest rate, compounded annually, is deana earning? b) how much

    asked on May 13, 2014
  17. science

    which of the following is a quantitative property of minerals ? a) cleavage b) hardness c) luster d) streak which of the following is not a characteristics of minerals ? a) occur in gaseous and liquid state b) formed by inorganic processes c) naturally

    asked on January 6, 2014
  18. Chemistry

    Consider the following chemical equation: 2NO2-->N2O4 If 25.0mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?

    asked on July 2, 2010
  19. science

    after six half-lives what percentage of a radioactive sample will remain? a) 0%-1% b) 1%-3% c) 3%-6% d) 6%-10%

    asked on December 9, 2013
  20. world history

    What were the consequences for the Ottoman leaders responsible for the genocide? No trials were ever held to bring those responsible to justice. Three pashas were convicted in absentia and sentenced to death, but they fled to Germany. Ottoman leaders were

    asked on July 11, 2018
  21. chemistry

    How much 10.0 M HNO3 must be added to 1.00 L of a buffer that is 0.0100 M acetic acid and 0.100 M sodium acetate to reduce the pH to 5.00? pKa of acetic acid= 4.75

    asked on December 7, 2012
  22. Chemistry

    Under the appropriate conditions, NO forms NO2 and N2O: 3NO(g) N2O(g) + NO2(g) Use the values for delta G naught for the following reactions to calculate the value of Kp for the above reaction at 500.0 C 2NO(g) + O2(g) 2NO(g) delta g=-69.7 kJ 2N2O(g)

    asked on November 5, 2012
  23. science

    earth and the moon are kept in their respective orbits due to the influence of ? a) inertia b) gravity c) both inertia and gravity d) neither inertia and gravity

    asked on November 10, 2013
  24. science

    why does the sun appear to move westward across the sky during the day? a) because earth rotates to the east b) because earth rotates to the west c) because the sun moves in a westerly direction d) because of the way you are looking into the sky

    asked on October 30, 2013
  25. World History Answer Check

    1. How did the Crimean War destroy the Concert of Europe? A: Russia and Austria operated the Concert of Europe before the Crimean War. However, Austria too wanted territory in the Balkans and refused to support Russia during the war. As a result, the two

    asked on October 14, 2014
  26. science

    which of the following statements best describes the biosphere? a) it is a mixture of gases that contain dust particles b)it contains earths metal core c) it contains all of earths water d) it it the part of earth that contains living organisms is it d ?

    asked on October 30, 2013
  27. Social Studies (Check, Please!)

    1. What were three reasons for the growth of the youth movement of the 1960s? A: The rapid increase in enrollment at colleges throughout the nation, concern about the future, and injustices in the political and social system were three reasons for the

    asked on February 23, 2016
  28. science

    if all of the following imaginary planets were the same distance from the sun, which would experience the strongest force of gravity due to the sun? planet a: mass 3,500 kg planet b: mass 50,000 kg planet c: mass 750 kg planet d: mass 100,000 kg a)planet a

    asked on October 29, 2013
  29. U.S. History

    Describe the initial purpose of the Constitutional Convention

    asked on September 6, 2018
  30. science

    if you were looking for an example of a trace fossil, for which of the following might you search? a) footprints and trails b) a whole body preserved in rock c) dinosaur teeth d) a hardened mineral smaple

    asked on December 13, 2013
  31. Biology (CHECK)

    Describe how comparing the anatomy of living species provides evidence of evolution. A: Comparisons of the anatomy of different types of organisms often reveal basic similarities in body structures even though the structure's functions may differ between

    asked on November 4, 2015
  32. science

    If a farmer plants the same crop in a field year after year the soil becomes less fertile. What causes this decrease in fertility ? a) erosion b) lack of water c) loss of topsoil d) loss of nutrients How do decomposes increase the fertility of soil ? a) by

    asked on March 10, 2014
  33. Social Studies (Check, Please!)

    Will someone help me with the first two questions and then check the rest? 1. What were two causes and effects of the economic boom of the 1950s? A: ? 2. How did the television industry affect the U.S. economy? A: ? 3. Describe how and why the suburbs

    asked on February 3, 2016
  34. science

    radioactive decay occurs when atoms a) lose mass b) join with atoms of another element c) break down to form atoms of another element d) are exposes to chemical weather

    asked on December 13, 2013
  35. science

    which of the following descriptions of the moon's surface is accurate? a) the moon's surface is wet and smooth b) the moon's surface is dry and irregular c) the moon's surface has mountains and oceans d) the moon's surface is exactly like Earth's surface

    asked on November 13, 2013
  36. Social Studies (Check, Please!)

    Why was the United States unprepared for Japan's attack on Pearl Harbor? A: The United States was unprepared for Japan's attack on Pearl Harbor because Hawaii was not mentioned as a possible target in the war warning that American commanders at the Pearl

    asked on January 1, 2016
  37. General chemistry

    Many portable gas heaters and grills use propane, C3H8(g). Using enthalpies of formation, calculate the quantity of heat produced when 16.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.

    asked on October 16, 2013
  38. Social Studies (Check)

    Explain how the Gulf of Tonkin Resolution affected the powers of Congress and the presidency. A: The Gulf of Tonkin Resolution affected the balance of power between Congress and the presidency by handing the war powers from Congress over to the president.

    asked on February 10, 2016
  39. Math

    Which of these cannot represent the lengths of the sides of a right triangle? A. 3 ft, 4 ft, 5 ft B. 6 in., 8 in., 10 in. C. 16 cm, 63 cm, 65 cm** D. 8 m, 9 m, 10 m

    asked on March 3, 2016
  40. U.S. History (Check)

    1. What new cultural trends affected American society in the 1970s? A: Revolutionary television sitcoms dealing with more difficult aspects of American life (women in independent roles, racism, poverty, abortion, etc.), transcendental meditation, disco, a

    asked on March 1, 2016
  41. science

    Why did the following change occur ? The snow that covered the ground all winter began to melt,temperature rose, and flowers started to bloom. a) days became shorter b) earth's tilt on its axis shifted. c) the sun's rays became more concentrated d) Earth

    asked on November 13, 2013
  42. U.S. History

    1. Explain why many Americans blamed Spain for the explosion of the USS Maine. A: Before the USS Maine exploded, the United States was trying to expand as a world power. Thus, many Americans blamed Spain for the explosion of the USS Maine because it gave

    asked on October 13, 2015
  43. physics

    An Olympic skier moving at 20.0 m/s down a 30.0 degree slope encounters a region of wet snow and slides 145 m before coming to a halt. What is the coefficient of friction between the skis and the snow?

    asked on October 29, 2011
  44. chem!!!!!!

    How many atoms of each type are represented in each of the following? f. 5Fe(No3)2 g. 4Mg3(PO4)2 h. 2(NH4)2SO4

    asked on July 29, 2013
  45. social studies

    Compare the presidential and congressional plans of Reconstruction.

    asked on March 9, 2014
  46. U.S. History

    How did the mining industry and the growth of ranching and farming contribute to the development of the West? A: The mining industry lured thousands of people into areas previously ignored as wilderness. The growth of ranching and farming also brought

    asked on October 7, 2015
  47. science

    To study a rock sample,geologists observe the rocks mineral,composition,color, and temperature. true or false ?

    asked on January 7, 2014
  48. World History (Please, help me!)

    What did Rousseau mean when he stated that if any individual wants to pursue his own self-interest at the expense of the common good, "He will be forced to be free"?

    asked on September 25, 2014
  49. "The Dream Comes True from The Tiger of the Snows"

    "The Dream Comes True from The Tiger of the Snows" by Tenzing Norgay. 1. Why do you think Norgay is so concerned with the "prestige of Everest"? A: I think Norgay is so concerned with the "prestige of Everest" because he thought it might be ruined by

    asked on August 30, 2014
  50. "At Harvesttime" by Maya Angelou (ASAP!)

    1. In "At Harvesttime," what does Angelou propose is a life principle that cannot be changed? A: In “At Harvesttime,” Angelou proposes that baring the consequences of a person’s actions is a life principle that cannot be changed. 2. How does she

    asked on September 24, 2014
  51. World History--Please, help me! (Ms. Sue)

    1. What were the major beliefs of Judaism and how did they influence Western culture? A: The major beliefs of Judaism were monotheism and righteousness. These Jewish beliefs became markers of the Western tradition: human beings are separate from nature and

    asked on September 15, 2014
  52. math

    Point A(8,-10) is reflected over the y-axis. Write the coordinate of A'. a) (-8,-10) b) (8,10) c) (8,-10) d) (-8,10)

    asked on October 31, 2013
  53. Physics

    An adult dolphin weighs around 1460 N. How fast must he be moving as he leaves the water vertically in order to jump to a height of 2.90 m? Ignore air resistance.

    asked on November 3, 2016
  54. science

    mount twin peaks located in northern Vancouver Island erupted three million years ago and it has not erupted since then. Mouth twin Peaks is most liekly ? a) dormant b) active c) extinct d) stationary

    asked on February 18, 2014
  55. English (Check)

    Indicate which aspects of the Puritan Plain Style (short words, direct statements, and references to ordinary, everyday objects) are displayed by each poetry excerpt. 1. If ever two were one, then surely we. If ever man were lov'd by wife, then thee. A:

    asked on February 20, 2016
  56. Biology

    what are goals of science? Choose all that apply. A) to investigate the natural world B) to establish unchanging facts C) to explain natural phenomena D) to make useful predictions based on evidence

    asked on May 12, 2017
  57. Algebra 1--How Am I Supposed to Solve This?!

    Suppose a cone and a cylinder have the same radius and that the slant height l of the cone is the same as the height h of the cylinder. Find the ratio of the cone's surface area to the cylinder's surface area. Area of cone: S = πrl + πr^2 Area of

    asked on May 27, 2014
  58. Social Studies (Check, Please!)

    1. Explain how the Gulf of Tonkin Resolution affected the powers of Congress and the presidency. A: The Gulf of Tonkin Resolution authorized the president to "take all necessary measures to repel any armed attack against forces of the United States and to

    asked on February 15, 2016
  59. chemistry

    Calculate the amount of heat needed to convert 45g of ice at –22.0°C to water at 22.0°C.

    asked on May 26, 2015
  60. Social Studies (Check) (Reed)

    Describe how and why the suburbs became popular places to live. A: Suburbs became popular places to live as the GI Bill offered low-interest loans, making new housing more affortable during the postwar period than at any other time in American history.

    asked on February 4, 2016
  61. science

    why do scientists use the international system of units(SI)? a) because the SI is based on the metric system b) because the tools scientists use only measures in SI units c) so they can communicate their results without confusion d) so all scientist are

    asked on October 26, 2013
  62. chemistry

    what are the equilibrium concentrations of Pb2+ and F- in a saturated solution of lead (II)flouride if the Ksp for PbF2 is 3.2*10^-8?

    asked on December 7, 2012
  63. social studies

    1. Which activity does Louisiana lieutenant governor perform on a day to day basis ? a) appointing committee chairs b) serving as president of the Senate c) participating in meeting with governor d) acting as governor when the governor is unable to serve

    asked on February 20, 2014
  64. math

    Find the length of the hypotenuse of a right triangle with legs of 9 cm and 12 cm. a) 8 cm b) 21 cm c) 15 cm d) 225 cm

    asked on October 31, 2013
  65. Physical science

    the crest of wave A has an amplitude of 5 cm. the trough of wave B has an amplitude of 2 cm. if the crest of wave A combines with the trough of wave B,what will be the amplitude of the resulting wave? will the waves form a crest or a trough when they

    asked on January 10, 2017
  66. World History (Ms. Sue)

    "It is [the Africans] who carry the 'Black man's burden...' In hewing out for himself a fixed abode in Africa, the white man has massacred the African in heaps...What the partial occupation of his soil by the white man has failed do; ...what the [machine

    asked on October 21, 2014
  67. science

    tides are caused by the force of inertia from the sun and moon acting on Earth. true or false

    asked on November 13, 2013
  68. World History (I Changed My Answer)

    2. Quotes lines in Rudyard Kipling's poem that reflects his view of colonized peoples. What values did Kipling assume his readers shared with him? A: The lines "new-caught sullen peoples" and "half-devil and half-child" reflect Rudyard Kipling's view of

    asked on October 21, 2014
  69. science

    How does gravity affect the moon? a) it pulls the moon toward earth b) it pushes the moon away from earth c) t allows the moon to move in a straight line d) it keeps the moon from colliding with the sun

    asked on October 30, 2013
  70. science

    To locate the epicenter of an earthquake a seismologists must determine all of the following except ? a) the difference between arrival time of P and S waves b) seismographic locations data from the seismograph locations c) the distance from the epicenter

    asked on February 18, 2014
  71. Social Studies (Check, Please!)

    1. What was the purpose of the loyalty reivew boards and HUAC? A: The purpose of the loyalty review boards and HUAC was to catch Communists or spies for the Soviet Union within the United States. 2. How did the Cold War affect life in the 1950s? A: The

    asked on January 20, 2016
  72. science

    Earth titled axis affects the strength of sunlight in different places of earth's surface. If you are in an area that receiving less direct sunlight,where are you located? a) near the equator b) near the north pole c) near the south pole d) near the north

    asked on November 11, 2013
  73. U.S. History (Ms. Sue)

    1. How much did the availability of resources aid in industrialization? Why? A: The availability of resources greatly aided industrialization as it was one reason for the nation's industrial success. This is because American companies could obtain these

    asked on October 6, 2015
  74. Social Studies (Check, Please!)

    1. What were three reasons European leaders agreed to a policy of appeasement? A: European leaders agreed to a policy of appeasement for three reasons: First, the memory of World War I made many leaders fearful of another bloody conflict. Second, some

    asked on December 31, 2015
  75. Social Studies (Check, Please!)

    1. Why did Hoover oppose the federal government's participation in relief programs? A: Hoover opposed the federal government's participation in relief programs because he believed that only state and city governments should dispense relief. 2. How did

    asked on December 15, 2015
  76. math

    At the half time show, a marching band marched in formation. The lead drummer started at a point with coordinates (-2,-5) and moved 3 steps up and 1 step right. a: write a rule to describe a translation b: what were the coordinates of the drummers final

    asked on November 12, 2013
  77. chm

    An aqueous solution that is 30.0 percent sulfuric acid (H2SO4) by mass has a density of 1.105 g/mL. Determine the molarity of the solution.

    asked on February 2, 2015
  78. Chemistry

    Complete combustion of a sample of propane produced 2.641g of carbon dioxide and 1.442g of water as the only products. Find the empirical formula of propane. I have already calculated the number of moles for both water and carbon dioxide. I also know that

    asked on July 5, 2010
  79. Algebra 2

    The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

    asked on October 8, 2015
  80. science

    during the Devonian period,animals that could live on land began to evolve, these animals till spent part of their lives in the water. what were these animals called? a) trilobites b) reptiles c) amphibians d) dinosoars

    asked on December 13, 2013
  81. Geometry

    Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and

    asked on January 9, 2013
  82. Biology

    How are proteins, lipids, and polysaccharides similar? A) They contain the same atoms are types of bonds between atoms. B) They are natural polymers composed of repeating monomeric units. C) They are formed during exergonic metabolic reactions in a cell.

    asked on May 12, 2017
  83. science

    Earth's atmosphere,oceans, and continents began to form during the first several hundred million years a) Precambrian time b) the Paleozoic era c) the Mesozoic era d) the Cenozoic era

    asked on December 18, 2013
  84. Algebra 2

    The formula for the volume of a rectangular prism is V = lwh. A rectangular prism has a length of 2y 3 and width of 5y. The volume of the prism is 20y 10 + 70y 4 . What is the height of the prism? Show your work.

    asked on October 16, 2015
  85. World History (Ms. Sue)

    How are a constitutional monarchy and a republic similar? How do they differ? A: A constitutional monarchy and a republic are similar as they have constitutions. However, these two differ because a constitutional monarchy controls head of state, while a

    asked on October 20, 2014
  86. U.S. History

    How did the influx of immigrants affect cities? A: The influx of immigrants led architects to develop new approaches to housing and transporting large numbers of people. This resulted in the development of skyscrapers, horsecars, cable cars, and electric

    asked on October 7, 2015
  87. U.S. History

    1) What problems did President Taft have with progressives on tariff issues? A: President Taft had several problems with progressives on tariff issues. One issue was the struggle with progressives over Speaker of the House Joseph G. Cannon. Progressives

    asked on October 28, 2015
  88. U.S. History (Ms. Sue)

    How did the railways help in industrialization of the United States? A: Railways linked the distant regions of the United States in a transportation network, allowing things like natural resources, settlers, miners, workers, and new inventions to be

    asked on October 6, 2015
  89. U.S. History (Please check my answer)

    Which American officer assisted Frémont's attacks in northern California? A: John Drake Sloat assisted Frémont's attacks in northern California.

    asked on September 22, 2015
  90. World History Answe Check

    How does Jacques-Louis David portray Napoleon in the painting Napoleon Crossing the Alps? Why do you think Napoleon wanted artists to produce portraits like this one? A: David portrays Napoleon as being calm and mounted on a fiery steed. I think Napoleon

    asked on September 29, 2014
  91. calculus

    the point (1,9) lies on the graph of an equation y=f(x) for which dy/dx=4x(sqrt(y)) where x is greater than or equal to 0 and y is greater than or equal to 0 a)6 b)4 c)2 d)sqrt(2) e)0

    asked on February 20, 2012
  92. U.S. History

    In which time zone did the Central Pacific originate?

    asked on October 7, 2015
  93. chemistry help

    When carbon dioxide and carbon react the balanced equation is Co2+C--------------2Cq Calculate the mass of carbon monoxide formed from 4.4g of carbon dioxide

    asked on March 3, 2015
  94. World History Answer Check

    1. Explain how the Code of Hammurabi influences politcal thought. A: The Code of Hammurabi influenced political thought because it was the first written code of law ever created. It was a very effective way to keep order and prevent conflict and was thus

    asked on September 9, 2014
  95. science

    during the Devonian period,animals that could live on land began to evolve, these animals till spent part of their lives in the water. what were these animals called? a) trilobites b) reptiles c) amphibians d) dinosoars

    asked on December 13, 2013
  96. science

    which of the following possibly outcomes regarding the universe do scientists think is most likely ? a) the universe will continue to expand b) the universe has completed its expansion c) the universe will start shrinking soon d) the universe is already

    asked on November 22, 2013
  97. science

    Eli finds a rock with layers and smaller pieces of other rocks embedded in it.The rock is most likely a) igneous b) sedimentary c) metamorphic d) chemical

    asked on January 7, 2014
  98. science

    during the Devonian period,animals that could live on land began to evolve, these animals till spent part of their lives in the water. what were these animals called? a) trilobites b) reptiles c) amphibians d) dinosoars

    asked on December 13, 2013
  99. Geometry

    Two standard number cubes are thrown simultaneously. What is the probability that the combined result of the two cubes is exactly 7, or that it is less than (but not equal to) 6? Round answer to the nearest thousandth

    asked on November 3, 2014
  100. "The Masque of the Red Death"

    Are my answers correct? 1. Describe the prince's fortification. A: The castle-like structure, which is sealed shut so that no one can enter or exit, is designed to be the permanent residence for its inhabitants for a period of months. Designed by Prince

    asked on September 5, 2014

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