1. social studies

    Which theory do most scientists believe about the first inhabitants of North America? A. They walked across the frozen Bering Land Bridge. B. They swam across the Pacific Ocean. C. They sailed across the Atlantic Ocean.---------- D. They walked across the

    asked by bill on August 28, 2018
  2. Trigonometry law of cosine

    A plane is flying with an airspeed of 200 miles per hour and heading 150°. The wind currents are running at 30 miles per hour at 175° clockwise from due north. Use vectors to find the true course and ground speed of the plane. (Round your answers to the

    asked by NEED HELP ASAP on April 7, 2014
  3. chemistry

    What type of rock is made from molten material from inside the earth? (2 points) writing part Igneous Metamorphic Sedimentary Magma 7. How can we use rocks to determine how an area used to look in the past? (4 points) wrting part 8. Which of the following

    asked by MS. gril on April 2, 2018
  4. Physics -

    The work function of cesium surface is 2.0eV (a)find the maximum kinetic energy of the ejected electrons when the surface is illuminated by violet light with wavelenght = 4.13 x 10^3 Angstroom unit h = 6.63 x 10^9-34)Js (b) what is the threshold wavelenght

    asked by Sola on April 26, 2007
  5. Astronomy

    1. At opposition, Nursat(is observed to be in opposition every 374 days.) is observed to subtend an angular radius of 7.1523 arcseconds. Use this and the conversion factors in our Table of Constants to find the radius of Nursat in km. 2. Nursat has a moon,

    asked by keitanako on December 9, 2013
  6. statistics

    The starting salaries of a random sample of three students who graduated from North Carolina State University last year with majors in the mathematical sciences are $45,000, $50,000, and $40,000. Find a point estimate of the population mean of the starting

    asked by Quintunya on March 16, 2013
  7. History- help

    I just need some one to help me and not giveme the answer, I don't know how to get start on this paper, that I have to write. I would have to apply the south carolina slave. to the things you have listed below? south carolina slave. o The philosophical

    asked by Alvin on May 18, 2009
  8. Social Studies

    1. Which question would best help you write a report regarding the changes to the political system during Jackson's presidency? (1 point) How did Andrew Jackson react to the results of the election of 1824? When did Andrew Jackson decide to run for

    asked by Nicole M on April 10, 2014
  9. math [basic trig]

    Sam and Markus are standing on level ground 100m apart. A large tree is due North of Markus and on a bearing of 065degrees from Sam. The top of the tree appears at an angle of elevation of 25 degrees to Sam and 15 degrees to Markus. Find the height of the

    asked by matt on March 26, 2008
  10. physics

    A car travels due east with a speed of 35.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 70.0° with the vertical. Find the velocity of the rain

    asked by Anonymous on February 18, 2011
  11. physics

    A car travels due east with a speed of 35.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. The traces of the rain on the side windows of the car make an angle of 70.0° with the vertical. Find the velocity of the rain

    asked by kia on February 17, 2011
  12. English III

    The War of the Worlds by H. G. Wells [1898] But who shall dwell in these worlds if they be inhabited? Are we or they Lords of the World? And how are all things made for man?- KEPLER (quoted in The Anatomy of Melancholy) BOOK ONE: THE COMING OF THE MARTIANS

    asked by Halo4Records on May 27, 2014
  13. Geography

    I have to write a short essay for this topic: Describe the various types of forest vegetation. Make sure to give good examples of location and type of plants. This is what I have: Forest vegetation grows on every continent except Antartica and there are

    asked by mysterychicken on August 26, 2009
  14. Science

    Which of the following is NOT a common landform caused by the passing of a glacier? Drumlins Esker Moraine Steppe ******************** There are sometimes flowing rivers within a glacier. True *************************** False Glaciers form and grow when

    asked by Cassie on March 12, 2014
  15. science

    1. Which of the following statements accurately describes the development of the geologic time scale? a. Scientists developed the geologic time scale by studying rock layers and index fossils worldwide. b. Scientists developed the geologic time scale using

    asked by yo on November 13, 2018
  16. Maths B

    Abbey steers her boat in a North Easterly direction for 15 s, East for 6 s and then stops to avoid hitting a duck. If her boat travels at a constant speed of 10 m/min during this time, what is the distance and compass bearing of Abbey’s boat from the

    asked by Rianna on April 2, 2012
  17. dynamics

    (a) A rocket is travelling out of the earth’s atmosphere. During flight it burns fuel at a rate of 80kg/s producing a constant thrust of 500kN which drives the rocket in a vertical trajectory. It has a mass of 3500Kg when it reaches a speed of 1220m/s.

    asked by kevin on December 29, 2015
  18. World history check my answers please

    my answers have a ***star next to them 1. Who coined the term “Iron Curtain”? a. Harry Truman b. Joseph Stalin c. Winston Churchill*** 2. What best describes the Truman Doctrine? a. Provide food and goods for post-Nazi Germany b. Provide for the

    asked by Anonymous on March 29, 2016
  19. check geo

    russian coasts lie along the pacific and artic oceans, as well as the: A)caspian sea, black sea, and baltic sea. B)atlantic ocean,black sea,and baltic sea. c)capian sea,north sea,and black sea D)North sea,black sea,and baltic sea. .The answer is A. The

    asked by henry on September 3, 2009
  20. physics

    1) When electrons are forced away from a/an ___ plate, work is done. Is "positive" a possible answer? 2) Any pointed or angular surface of an object must have a/an ___ concentration of charge to establish equilibrium. Any ideas?

    asked by help me please on April 12, 2011
  21. de Broglie Wavelength

    The presence of oxygen atoms on the surface results in auger electrons with a kinetic energy of approximately 505 eV. What is the de Broglie wavelength of this electron? [KE= (1/2)mv^2; 1 electron volt (eV) = 1.602*10^-19 J]

    asked by Kyle on November 13, 2009
  22. chemistry

    the reaction of aluminum metal (Al) with oxygen (O2) forms Al2O3. What is a balanced equation for this redox reaction. What are two half reactions to show how many electrons are gained or lost by each species?

    asked by cathy on April 11, 2010
  23. science

    in an atom electrons move in definite orbits around the nucleus much like planets cirlce the sun. who said this - I think Bohr choices are: Bohr rutherford wave model Thompson democritius

    asked by sam on November 3, 2007
  24. Chemistry

    How much energy in KJ is release to form one mole of 123Sb from protons and neutrons if the atom has a mass of 122.90422 amu? Please remember to include the mass of electrons in calculations.

    asked by Jay on May 6, 2011
  25. physics

    Four identical metallic objects carry the following charges: +4.2 µC, +5.4 µC, -2.2 µC, and -4.4 µC. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated. How many electrons (or protons) make up

    asked by kary on September 3, 2009
  26. Chem

    Specify the number of unpaired electrons for each of the species shown below. CuCl2- (linear) Ni(NH36) 2+ NiCl4 2- (tetrahedral) CoF6 3- (weak field) Co(en)3 3+ (strong field) (en = "ethylene diamine") Would it be: 1 2 2 3 3 ??

    asked by Ginger on April 19, 2008
  27. physics

    If a metal wire carries a current of 130 mA, how long does it take for 3.50×10 20 electrons to pass a given cross-sectional area anywhere along the wire? The magnitude of the charge on an electron is 1.6 × 10 −19 C. Answer in units of s.

    asked by bre on February 23, 2011
  28. Science

    Which best describes the similarities among elements included in the same column of the periodic table? A. They have the same state at room temperature. B. They have the same number of protons. C. They have the same number of electrons. D. They have

    asked by Anonymous on March 13, 2014
  29. Science :))

    Earth's inner core is responsible for Earth's ... Magnetic field *** Ocean currents Volcanic activity Tectonic plate movement _____ make up ______ which make up ______. Organs, tissues, cells Cells, organs, tissues Tissues, cells, organs Cells, tissues,

    asked by Anonymous on December 19, 2017
  30. Physics

    You have been sent in a small spacecraft to rendezvous with a space station that is in a low circular Earth orbit, say, with a radius of 6,720 km, approximately that of the orbit of the International Space Station. Due to mishandling of units by a

    asked by Catherine on May 7, 2011
  31. central america & the caribbean

    word bank : belize,costa rica ,coffee, cuba,honduras,lead,mestizos,multicultural,oil,panama canal,puerto rico,rice,sugar cane, slavery,canal 2.___was introduced in the caribbean after indians died from european diseases. 3.central america is an ___between

    asked by Jason on December 2, 2008
  32. science

    The acceleration due to gravity calculated this way works well for objects near the Earth’s surface. How would you have to change the above equation if the object was 100,000 meters above the ground? (Note: this question refers to Newton’s equation for

    asked by ThuyD on January 22, 2012
  33. Chemistry

    (a) Cadmium telluride (CdTe) is a semiconductor witha band gap, Eg, of 1.45 eV. Calculate the value of the absorption edge of this material. Express your answer in meters. (b) Shown below are several % absorption vs. wavelength diagrams. Identify the

    asked by Odesa on December 14, 2012
  34. history

    1. Which factor contributed the most to the increased importance of literature in American culture during the 19th century? A. the success of major social reform movements B. the spread of utopian communities throughout the nation C. the migration of

    asked by catwoman on April 29, 2016
  35. history help

    1. Which factor contributed the most to the increased importance of literature in American culture during the 19th century? A. the success of major social reform movements B. the spread of utopian communities throughout the nation C. the migration of

    asked by summer moriarty on April 28, 2016
  36. history help

    1. Which factor contributed the most to the increased importance of literature in American culture during the 19th century? A. the success of major social reform movements B. the spread of utopian communities throughout the nation C. the migration of

    asked by summer moriarty on April 28, 2016
  37. (History)

    What specific challenges did the South Vietnamese face as they tried to flee Vietnam in 1975?

    asked by Jessica on October 9, 2013
  38. Physics

    what is a planes velocity if ithas anair speed of 18 and there is a 30 km/h wind blowing south

    asked by Summer on November 9, 2012
  39. health

    5 ways in which alcohol abuse problem impacts on the communities of south africa.

    asked by Delight on May 15, 2011
  40. home economics

    is south african government providing enough welfare or subsidy to the poor and underprivilaged?

    asked by Anonymous on July 29, 2013
  41. Physical science

    Calculate the average velocity of Joe is he was able to travel 40 km south in 2 hours in his car

    asked by Dallas on January 30, 2018
  42. economics

    south african government is not providing enough welfare or subsidies to the poor and underprivilidged

    asked by dumisani on June 3, 2015
  43. Life Orientation

    3 checks and balances that are in place in South Africa that control and regulate media

    asked by Damien on March 11, 2012
  44. history

    what events summarize what led to the ratification of south Carolina constitution of 1863

    asked by cutie on March 3, 2016
  45. economics

    the south african government is not providing enough welfare or subsidies to the poor and underpriviledged

    asked by nkazimlo on May 25, 2015
  46. Economics

    The south african government is not providing enough welfare or subsidies to the poor and underprivileged

    asked by Dieketseng on May 13, 2014
  47. health

    5 ways in which alcohol abuse problem impacts on the communities of south africa.

    asked by Delight on May 15, 2011
  48. Reading

    Analyze how Mrs. Watson tries to put a positive spin on the life in the south

    asked by Anonymous on September 20, 2013
  49. sinolwazi

    The south african government is not providing enough welfare or subsidies to the poor and under priviledged?

    asked by katlego on May 26, 2014
  50. history HHHEEELLLPPP!!!

    How did the rich southern planters regain control in the south after the civil war???

    asked by Erin on September 11, 2008
  51. Earth Science

    If the date was March 22 and one saw the noon sun at 35 degrees south above the horizon, what latitude is one at?

    asked by Casey on October 30, 2010
  52. world history

    which explains the major social and economic similarities that occurred in the South and the West.

    asked by Anonymous on August 20, 2010
  53. US history

    How did the Hayes-Tilden deal lead to the Jim Crow laws in the South?

    asked by anthony on December 1, 2010
  54. life orientation

    three checks and balances that are in place in south africa that control and regulate media

    asked by koketso on March 5, 2012
  55. home economics

    Gear strategy has managed to improve the livelihood of the poor in south africa.

    asked by Anonymous on July 24, 2011
  56. geography

    What two countries are similar in physical shape? My answer is Africa and South America Is this right?

    asked by Reed on September 19, 2011
  57. economics

    the south african government is not providing enough welfare or subsidies to poor and underpriviledge?

    asked by amanda on August 20, 2013
  58. Geography

    How has the location of South Asia both prevented invaders and invited the influence of other cultures?

    asked by Tempesta on August 18, 2012
  59. social studies

    What needs to take place to bridge the economic gap between whites and blacks in South Africa?

    asked by Ellie on January 5, 2009
  60. geography

    How many countries are on the continent of South America? My answer is 12 BUT my classmate said it is thirteen. I am pretty sure I am the one that is right. Can you help?

    asked by Reed on February 6, 2011
  61. Life orientation

    What are the Socio-econimic issue that affect human Rights in south Africa?

    asked by Xalati on April 21, 2015
  62. Economics

    The south african government is not providing enough welfare or subsidies to the poor and underpriviledged?

    asked by Phumla on August 13, 2013
  63. home economics

    Gear strategy has managed to improve the livelihood of the poor in south africa

    asked by Anonymous on May 18, 2011
  64. US History

    Can you please give me good websites on the failures of Reconstruction (of the South after the Civil War)

    asked by Anonymous on December 9, 2008
  65. Life orientation

    3 checks and balances that are in place south africa that control and regulate media.

    asked by Nomsa on March 18, 2012
  66. social studies

    so i have to do a poster on the human characteristics of south america and one of the catagories is goverment systems

    asked by katy on May 2, 2014
  67. Geography

    What events and factors have contributed to problems in South East Europe? IS there a website for this?

    asked by Alyonka on March 5, 2011
  68. math

    A vessel sails 32 miles S 45 degrees E. How far south has it sailed? The wording of it confuses me.

    asked by berriengk on March 18, 2010
  69. math

    a hiker travels for 15km on a bearing of 210T how far south is he please show working

    asked by matt on February 1, 2013
  70. history HHHEEELLLPPP!!!

    How did the rich Southern planters regain control in the south after the civil war?

    asked by Erin on September 11, 2008
  71. world geography

    why did the south agrican government change its policy of apartheid in 1990 and 1991

    asked by courtney on June 29, 2011
  72. S.C Social Studies

    How did the French and Indian War affect South Carolina's economy? Please help me fast!

    asked by Fergie on October 17, 2017
  73. History

    Cabral, either by accident or design, reached this part of South America in 1500

    asked by LaTarial Williams on January 9, 2008
  74. economics

    the south african goverment is not providing enough welfare or subsidies to the poor and underpriviledged

    asked by yolokaz on May 30, 2013
  75. Social Studies

    Can someone help me answer this question??? Predict how the outlawing of slavery would have affected the South’s economy.

    asked by Anonymous on March 9, 2015
  76. life orietation

    suggest two ways on how the geographical dstributionnn of media can be improved in south african?

    asked by lwandiso on May 26, 2016
  77. economics

    the south African government is not providing enough welfare or subsidies to the poor and underpriviledged?

    asked by sanele on May 10, 2016
  78. Social Studies

    What mountain range is located on the Western edge of South America? The Andes

    asked by Logan on December 7, 2006
  79. economics

    the south African government is not providing welfare or subsidies to the poor and underpriviledged.

    asked by risk on May 13, 2014
  80. life Orientation

    Identify environmental issues that causes ill-health to community in south africa

    asked by thabang segula on August 12, 2014
  81. L.O

    Identify and describe 3 environmental or any othr community within South Africa and globally.

    asked by Sisipho Bontiya on April 18, 2013
  82. life orientation

    discuss 8 ways in which the environmental problem impacts in south africm or globally

    asked by tshepo(biko) on April 25, 2012
  83. home economics

    what does the South African government not providing enough welfare or subside to the poor under priviledged

    asked by Anonymous on August 24, 2013
  84. Economic

    The south african government is not providing enough welfare or subsidies to the poor and underpriviledged

    asked by Bheki on July 21, 2014
  85. History, Urgent

    Who negotiated with the five tribes to convince them to side with the South durnig the Civil War?

    asked by Katt<3Bob\by on October 5, 2014
  86. Economics

    The south african government is not providing enough welfare or subsidies to the poor and underpriviledged?

    asked by Wendy on June 10, 2014
  87. Life orientation

    Three checks and balanced that are in place in south africa that control and regulate media?

    asked by Valentine on March 18, 2012
  88. social studies

    in south africa, european groups created and spoke a language called what?

    asked by !!!!Need help!!!! on April 9, 2008
  89. Economic

    The south african government is not providing enough welfare or subsidies to the poor and underpriviledged.

    asked by Bongiwe on June 9, 2015
  90. Geography

    Who are the aryans? give 3 examples of haw their caltures influenced south Asia's?

    asked by Husna on March 8, 2016
  91. math

    A man walked 1260meters on a bearing of 20degrees, how far south is he from his starting point ?

    asked by jombo on May 19, 2014
  92. economics

    the south african government is not providing welfare or suubsidies to the poor and underpriveledged

    asked by zipho madlala on April 23, 2015
  93. life orientation

    Suggest 5 recommendations on how to address the environmental problems within a community within South Africa

    asked by yolanda munro on May 5, 2013
  94. Civics

    You begin traveling south from Madison,Wisconsin.Which of the following capital cities would you reach first.

    asked by Chris on October 19, 2015
  95. Economics

    Gear strategy has managed to improve the livelihood of the poor in south africa

    asked by Kagiso on April 16, 2011
  96. Social studies

    Which is an event of the progressive era enacted by the local government in south carolina

    asked by ZaKirrah on April 28, 2015
  97. Math

    A boy walk 1260m on a bearing 120degree.how far south is he from his starting point

    asked by Anonymous on August 1, 2017
  98. economics

    the south african government is not providing welfare or sudsidies to the poor and underpriviledged

    asked by nonjabulo on June 18, 2014
  99. science

    The South Island of New Zealand lies at about 170 degrees East. What hemisphere is it in?

    asked by linda on February 20, 2011
  100. History

    In the post-Reconstruction South, what was the Confederate battle flag intended to symbolize?

    asked by TAMUC Student on October 24, 2014