1. Social Studies

    Outline the various steps in the exploration of: (a) the interior of North America; and (b) the Pacific coast

    asked by Nelli on May 2, 2010
  2. U.S. History

    What was the human hisory between North American Asia Eurasia and Europe before the 1450's?

    asked by Jamal on March 27, 2010
  3. social studies

    What natural forces have helped shape the physical features of North America?

    asked by ahmed on March 29, 2010
  4. Social Studies

    Outline the various steps in the exploration of: (a) the interior of North America; and (b) the Pacific coast

    asked by Nelli on May 2, 2010
  5. Enviromental Anthro.

    What effects do herding in East Africa and ranching in North America have on those two environments?

    asked by Val on May 7, 2012
  6. Physics

    2.An airplane flies north at a constant speed of 220 km/h. How far will the plane travel in 3.50 h?

    asked by Micheal on November 18, 2015
  7. Social Studies

    How did England colonize in the North America for political reasons? Answer ASAP Thanks

    asked by Christopher on December 13, 2008
  8. Physics

    A car is traveling North. In which direction are the wheels turning. This is under the torque chapter

    asked by daniel on October 24, 2015
  9. math

    A HOSPITAL(H) IS 7KM EAST AND 5KM NORTH OF A SCHOOL(S). CALCULATE THE BEARING OF H FROM S

    asked by Jacob on April 25, 2018
  10. physics

    A man walks 15m north then 20m at 32° E of N and then 11 m at at 15° S of W determine his net displacement

    asked by pat on September 28, 2011
  11. physics

    A man walks 15m north then 20m at 32° E of N and then 11 m at at 15° S of W determine his net displacement

    asked by pat on September 28, 2011
  12. math

    a runner jogs 12 km north then turns and runs 16 km east in three hours.what is his displacement

    asked by bisrst on January 2, 2019
  13. 8th grade history

    Why did British colonies in north america put aside their differences to make Canada?

    asked by Amy on April 18, 2010
  14. s.s

    where were most native americans in north america located when europeans arrived? there are no choices so just help me with this someone please help please!!!!!

    asked by kakashi hatake on February 13, 2017
  15. PHYSICS

    ANOTHER QUICKQUESTION ABOUT THIS ONE, PLEASE HELP pete and john play a game of tug war on a frictionless icy curface. pete weighs 539 N and john weights 392 N. during the course of the game, john accelerates toward pete at a rate of 3 m/s^2. Sarah decideds

    asked by SAMIR on January 24, 2010
  16. science

    1.the modern atomic model includes orbiting the nucleus. which of the following parts of dalton's was disproved by the discovery of the electron atoms are tiny particles atoms cannot be divided into smaller parts atoms have specific mass and size atoms

    asked by alex on September 30, 2015
  17. physics

    A PARTICLE OF MASS M IS SHOT WITH an initial velocity v making an angle b with the horizontal,the particle moves in the gravitational field of the earth. find the angular momentum of the particle about the origin when the particle is at the origin ,at the

    asked by mechanics on August 22, 2013
  18. 7th grade Social Studies Ms. Sue

    1. Which climate region dominates most of Northern Africa? (1 point) humid continental highland tundra arid 2. What kind of storm covers the largest area? (1 point) rainstorm blizzard hurricane tornado 3. Earth’s climate is affected by latitude,

    asked by Delilah on December 3, 2012
  19. science

    I am a main group element. I have 3 p-orbital electrons in my valence shell. I have a lower first ionization energy than arsenic. I am not the largest atom in my group. What element am I?

    asked by Mat on September 22, 2009
  20. Physics

    Electrons are accelerated in the picture tube through a potential difference of 8000 V. What is the change in the potential energy of each electron traveling in this tube? charge of -e is 1.6E-19 C and its mass is 9E-31 kg.

    asked by Mike on February 4, 2008
  21. physics

    A laser with a power output of 2 mW at a wavelength of 400 nm is projected onto a calcium metal surface. What power is carried away by the electrons? The binding energy of the metal is 2.31 eV.

    asked by carolyn on November 27, 2015
  22. Physical Chemistry

    15.The Rydberg constant for the Be3+ ion is 109731 cm–1. Calculate the ionization energy of a ground-state Be3+ ion. 22.How many electrons can occupy the following subshells: (a) 2s, (b) 4d, (c) 6f, (d) 6g, (e) 6h?

    asked by S on August 8, 2017
  23. Chemistry

    How many electrons are transferred when C3H7OH burns in oxygen to form carbon dioxide and water? I have no idea where to start. Do I need to do half reactions? Can I even do half reactions for this?

    asked by Suzie on October 8, 2009
  24. Chemistry

    H1+(aq) + Fe(s) ==> H2(g) + Fe2+(aq) I am trying to balance this equation...but I am not sure how to balance the H's. I have the half rxns as e- + H+(aq) ==> H2(g) Fe(s) ==> Fe2+(aq) + 2e- I multiplied the reduc. rxn (top) by 2 so I could get rid of the

    asked by Val on March 22, 2010
  25. PHYSICS

    The electron gun in a television tube uses a uniform electric field to accelerate electrons from rest to 5.0×107 m/s in a distance of 1.2 cm. What is the electric field strength?

    asked by Lucas on February 24, 2010
  26. 10th grade English

    This is my history essay (well.. a speech) due in 5 days. Please correct any mistakes or awkward phrases ASAP. Thank You Good morning/afternoon Mr Bean and fellow classmates. Australia, as a country, has a short, yet explicit history since the arrival of

    asked by Andy on September 11, 2009
  27. physics please help

    In a physics laboratory experiment, a coil with 170 turns enclosing an area of 10cm^2 is rotated from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The rotation takes 5.0×10^2 s

    asked by henry on November 2, 2012
  28. electricity

    If one body is positively charged and another is negatively charged what will free electrons do? Generally it flows providing they are touching (or close enough to jump) and are conductors. Please read: http://www.kpsec.freeuk.com/electron.htm

    asked by catherine on June 7, 2007
  29. Chemistry

    Could anybody simply explain how exactly Joseph Thomson discovered that atoms were not "indivisible" and that they were actually made of subatomic particles? (electrons) I've been having trouble understanding how exactly it happened, and everything on the

    asked by Maddie on February 12, 2008
  30. electronic configuration

    how do you figure out electronic configuration of excited state? ex: identify atom & write ground state conig. 1s2 2s2 2p6 4s1 Isn't there eleven electrons here? Element number 11 is... 1s23s

    asked by hawkstar on October 1, 2006
  31. physics

    An oil-drop, that has a mass of 3.5 × 10-15 kg and an excess of 7 electrons, is located between horizontal parallel plates. The plates are separated by a distance of 2.5 cm and have and potential diffeDetermine the magnitude and direction of the

    asked by sam on August 14, 2013
  32. Biology

    During aerobic respiration, electrons travel downhill in which of these sequences? food-Krebs cycle-ATP-NAD+ or Food-NADH-electron transport chain-oxygen If I could figure out what it ends with it would be easier to answer.

    asked by Ayeisha on March 11, 2007
  33. physics

    A length of wire has a radius of 3.00 ~ 10-3 m and a resistance of 0.200 ƒ¶. When the potential difference across the wire is 10.0 V, the electron drift speed is found to be 2.98 ~ 10-4 m/s. On the basis of these data, calculate the density of free

    asked by Stacey on November 15, 2012
  34. university, physics.

    A length of wire has a radius of 3.00 ~ 10-3 m and a resistance of 0.200 ƒ¶. When the potential difference across the wire is 10.0 V, the electron drift speed is found to be 2.98 ~ 10-4 m/s. On the basis of these data, calculate the density of free

    asked by Brette on November 19, 2012
  35. History

    Which accurately describes why Bartolomeu Dias did not complete his journey to India? A. Dias’s food supply had run low, and the crew convinced him to return to Portugal. B. Dias’s ship crashed into the rocky shores of Madagascar, killing the entire

    asked by Rylee on November 29, 2017
  36. History

    Which accurately describes why Bartolomeu Dias did not complete his journey to India? A. Dias’s food supply had run low, and the crew convinced him to return to Portugal. B. Dias’s ship crashed into the rocky shores of Madagascar, killing the entire

    asked by Michael on November 22, 2017
  37. History

    Which explain how outside factors influenced the conflict in Vietnam in the years after World War II? (Select all that apply.) A. A socialist student uprising in france in the late 1940s forced the french government to grant vietnam full independence and

    asked by Anonymous on August 18, 2018
  38. History

    Which explain how outside factors influenced the conflict in Vietnam in the years after World War II? (Select all that apply.) A. A socialist student uprising in france in the late 1940s forced the french government to grant vietnam full independence and

    asked by Michael on June 5, 2018
  39. World History B

    Which explain how outside factors influenced the conflict in Vietnam in the years after World War II? (Select all that apply.) A) At the threat of an invasion from the Soviet Union, the non-Communist leader in South Vietnam resigned in favor of Communist

    asked by Jean on February 2, 2019
  40. Bio

    Which of the following best describes the influence of latitude on climate? A. Temperate regions receive more solar energy and heat per unit area than tropical regions. B. Polar regions receive less solar energy and heat per unit area than tropical

    asked by Anonymous on June 27, 2016
  41. PLEASE HELP ME!!!

    I have to do a 4 pg report on the mediterranean ineed to know the native plants. please don't give me a full report. i just want the name of the plants and a brief summary. Olive trees are in the warm parts. Some of the plants you see everywhere in most

    asked by Princess24 on November 15, 2006
  42. english

    please organize these into a paragraph ;astronaauts supposed to rest for eight hours, but too excited to rest ;astronauts easily hopped high because moon has less gravity than earth ;opened spaceship door 61/2 hours after landing ;brought back to earth

    asked by Taylor on August 5, 2012
  43. physics

    Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal

    asked by Anonymous on November 21, 2008
  44. Physics

    Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal

    asked by Stella on November 22, 2010
  45. Physics

    Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal

    asked by Patrick on November 23, 2010
  46. Physics HELP!!

    Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal

    asked by sarah on November 21, 2012
  47. Physics

    Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal

    asked by Mike on November 23, 2010
  48. chemistry

    the atomic number of oxygen is 8. How many protons, neutrons and electrons are in an oxygen icon with a charge of -2 and a mass number of 17?

    asked by cynthia on January 27, 2008
  49. chemistry

    the total mass of a vehicle is due to 56 Fe, what mass of a 1.4 metric ton(tonne) automobile is due to the electrons?

    asked by ducky on September 27, 2010
  50. Chemistry PLZ HELP!!!!!

    what shape would you expect a molecule to hove that was based on an atom with only two bonding pairs of electrons? Three bonding pairs? Four?

    asked by Maci on April 7, 2012
  51. Chemistry PLZ HELP!!!!!

    what shape would you expect a molecule to hove that was based on an atom with only two bonding pairs of electrons? Three bonding pairs? Four?

    asked by Maci on April 7, 2012
  52. Science

    In an atom, electrons ____. a. are located in the nucleus b. travel outside the nucleus c. are paired with neutrons d. are always in the same place in an atom

    asked by Katt<3Bob\by on November 5, 2014
  53. Science

    If a neutral atom has a mass of 12 amu and an atomic number of 5, what is the number of protons, neutrons, and electrons in the atom?

    asked by T on March 29, 2018
  54. science

    plse help cant figure out thx 1. Which particles in an atom are int he nuclues? 2 Were are the electrons in an atom? thx a million :)

    asked by Amy on October 2, 2008
  55. science

    In an atom, electrons ____. a.are located in the nucleus b.are paired with neutrons c. travel outside the nucleus d. are always in the same place in an atom I think its d right?

    asked by Gia on March 13, 2013
  56. biology

    three and 14c have different number of isotopes of carbon 12c 13c and 14c have different number of electrons protons neutrons

    asked by any on August 28, 2009
  57. chemistry

    Which of the following has the greatest effect on the properties of an element? A. the number of ions B. the number of protons C. the number of neutrons D. the number of electrons

    asked by junior on September 14, 2010
  58. physic

    Strip electrons from an atom and the atom becomes a

    asked by Anonymous on October 14, 2013
  59. electricity and electronics

    9.electrons are emitted from a conductor when the conductor is

    asked by missy on April 1, 2012
  60. physic

    Strip electrons from an atom and the atom becomes a

    asked by Anonymous on October 14, 2013
  61. social studies

    1. Which of the following was the greatest short-term effect of Spanish colonization on American Indians? A. It sharply decreased their population.----- B. It opened them to European ideas. C. It gave them new crops to grow. D. It led to their

    asked by mikayla on August 29, 2018
  62. trigonometry

    A plane flies due south from an airport for 92 miles, and then turns and goes S63°W for 50 miles. How far is the plane from the airport (to the nearest tenth of a mile)? What direction is the plane from the airport (to the nearest tenth of a degree)?

    asked by Crystal on March 7, 2016
  63. physics

    A communications satellite is in an orbit that is 3.1 multiplied by 107 m directly above the equator. Consider the moment when the satellite is located midway between Quito, Equador, and Belem, Brazil; two cities almost on the equator that are separated by

    asked by Anonymous on January 11, 2012
  64. Physics

    A man observes snow falling vertically when he is at rest, but when he runs through the falling snow at a speed of 4.70 m/s, it appears to be falling at an angle of 24.0° relative to the vertical. Find the speed of the snow relative to the earth.

    asked by De'Sember on February 6, 2011
  65. Intermediate Algebra

    Create a list of six questions on solving equations with absolute value symbols that I will try to research, address, discuss, and/or express? Example: Google Earth: The Google Earth image shows the western side of The Mall in Washington D.C. The distance

    asked by Roger on May 3, 2012
  66. math

    a boat starts at point a p travels 15 miles due north to point r then turns due east and travels 8 more miles to the dock at point t find the distance the boat would have traveled if it had gone directly from point p to point t

    asked by cathy on February 20, 2013
  67. Chemistry

    1)) The following two half-cells are paired up in a voltaic cell. How will lowering the pH affect the E of the overall cell? ClO3-(aq) + H2O(l) + 2e- ==> ClO2-(aq) + 2OH-(aq) Eo= 0.35 V I2(S) + 2e-==> 2I-(aq) Eo = 0.54 V A)dE will increase B)dE will

    asked by Val on March 23, 2010
  68. chemistry

    1)) The following two half-cells are paired up in a voltaic cell. How will lowering the pH affect the E of the overall cell? ClO3-(aq) + H2O(l) + 2e- ==> ClO2-(aq) + 2OH-(aq) Eo= 0.35 V I2(S) + 2e-==> 2I-(aq) Eo = 0.54 V A)dE will increase B)dE will

    asked by Val on March 23, 2010
  69. Physics- help please

    A beta particle (fast moving electron) is released by a nuclear decay and starts travelling at 1.5x10^6 m/s [NΘE] in the Earth's magnetic field which has a value of 3.0x10^-5 T. If the force experienced by the beta particle is 4.34x10^-18 N, determine the

    asked by Liz on July 10, 2014
  70. Q&A Check Please, geo 7th grade

    The Missouri River flows southward to the Gulf of California. FALSE a lower area of land generally surrounded by mountains BASIN Summer ocean currents come in from the north. FALSE THE COAST OF CALIFORNIA Most of Canada and Alaska have a subarctic climate.

    asked by rawr... im a dinosaur.... rawr on October 29, 2012
  71. chemistry

    As electrons move from the higher to the lower energy level, they release energy and ________ occurs. excitation ground state emission quantum state

    asked by help me please on October 5, 2015
  72. physics

    The actual speed of electrons drifting along in a common electric circuit is about the speed of which of the following?. A) sound.B) a fast-moving automobile.C) light.D) a slow-moving snail.

    asked by britches on April 14, 2012
  73. Chemistry

    Fill in the missing information in the following table of four neutral atoms Symbol- 37Cl number of protons- 36 46 number of neutrons- 42 number of electrons- 33 mass number- 77 106

    asked by Tiffany on January 25, 2012
  74. physics

    The charge (in coulombs) on an object increases according to (q)=(2 coul)e^[0.05/sec)(t)], where t is in seconds. How many seconds is the object deficient 1.56x10^20 electrons (from neutral)? 0, 12.56, 21.94, 41.21, 28.0, 50.5, 65.90, 105.00, 874.00,

    asked by debbie on May 31, 2011
  75. chemistry

    What does the fact that a blackbody can absorb light only in specific-sized "packets" say about light? A. It has no mass. B. It is composed of electrons. C. It is composed of atoms. D. It is quantized. I have no idea what the answer is

    asked by Morgan on December 11, 2014
  76. Chemistry

    In an atom whose core contains 16 neutrons possess a total electrical charge 1. What is the atomic number of the atom? 2.What is the number of nucleons(mass)? 3.How much electrons has in electronic mantle?

    asked by Ciara on November 23, 2010
  77. Chemistry

    If the hydrogen volume reads 8.35 mL, what number of moles does the represent at STP (1 atm and 0oC)? How many moles of electrons were added to the solution to create 8.35 mL of hydrogen gas?

    asked by Anonymous on April 22, 2013
  78. Chemistry

    Redox Reactions Cl2 + Co 2--> Cl- + Co2+ species oxidized? species reduced? oxidizing agent? reducing agent? As the reaction proceeds, electrons are transferred from?

    asked by Jasonious on September 21, 2011
  79. Chem

    Give the number of unpaired electrons present in a ground-state atom of Tl. I got 5, which isn't right. ndicate which species in each pair has the higher ionization energy. Choose at least one answer. a. Between K and I, I b. Between K and I, K c. Between

    asked by Anonymous on November 9, 2012
  80. Math

    I an taking the SAT this week and I am so screwed. I keep getting these types(and ratio and probability- tips?) of questions wrong on practices. I basically set up a chart for d(distance/amount of sth), v(speed/rate), and t(time) and try to fill it out. I

    asked by Bethany on June 3, 2015
  81. Physics-Please check

    Posted by JulieAnne on Wednesday, January 5, 2011 at 5:15pm. Please check my two answers I was sitting in a park on a bench next to another person and I moved tow times the original distance between the two of us, the force of gravity between me and the

    asked by JulieAnne on January 5, 2011
  82. history

    While the United States referred to the conflict with Mexico as the Mexican War, Mexicans called the war the North American Invasion. What do these different names suggest about each country's perspective on the war? is it because president polk wanted

    asked by y912f on May 5, 2009
  83. English

    “One day, as I scanned the sandy expanse of Northern Africa, I couldn’t find any of the familiar landmarks—colorful outcroppings of rocks in Chad, irrigated patches of the Sahara. Then I realized they were obscured by a huge dust storm, a cloud of

    asked by quick help needed on May 10, 2016
  84. English

    “One day, as I scanned the sandy expanse of Northern Africa, I couldn’t find any of the familiar landmarks—colorful outcroppings of rocks in Chad, irrigated patches of the Sahara. Then I realized they were obscured by a huge dust storm, a cloud of

    asked by quick help please on May 8, 2016
  85. Astronomy

    The volume of a ball is given in terms of its radius by V=4π3R3. Use this to find the average density of Saturn, i.e. the mass per unit volume. Use Earth’s mass in kg from the Table of Constants to express your answer in kgm3. Note for comparison that

    asked by sam on December 23, 2012
  86. Physics

    A car travels due east with a speed of 40.0 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 54.0° with the vertical. Find the velocity of the rain

    asked by Aly on September 29, 2015
  87. Trigonometry

    Could someone please help me out with this? I've read my text book, but can't seem to figure it out. And could you please show me how to do them? The Earth travels in a circular orbit around the Sun at 29.79 km/sec. If the radius of the orbit is 1.496 x

    asked by Hannah on June 4, 2013
  88. SS

    Can Someone Help Me with this short answer question?! I would really appreciate it. Summarize the events that led to the ratification of south Carolina's constitution of 1868.

    asked by Makayla Caldwell on March 1, 2016
  89. Trigonometry

    Three ships are situated as follows: A is 225 miles west of C while B, due south of C, bears S25*10'E from A. a. How far is B from A? b. How far is B from C? c. what is the bearing of A from B? PLEASE EXPLAIN

    asked by Roy on September 9, 2012
  90. adult education

    political cartoon in 1994 in South Africa would most likely depict shackles being removed off a voter in order to express

    asked by Anonymous on November 4, 2010
  91. Sociology

    In the twentieth centruy, which country had a caste system based on race? a. India b. the USA c. South Africa d. a and b only e. b and c only

    asked by Bill on October 29, 2012
  92. life orientation

    identify and describe one environmental problem that causes ill health,accidents,crises,and disasters within south africa

    asked by nelly on April 22, 2012
  93. world history

    In which country were apartheid laws created that prohibited interracial marriage and otherwise segregated the races? I say South Africa

    asked by tracy on January 22, 2012
  94. english

    Chinua Achebe's Things Fall Apart as a defiance of eurocentric sociological and anthropological narration of South Africa

    asked by lydia on October 22, 2016
  95. Science

    Six ways that the human rights violations influence individuals,groups and the broader south african community

    asked by Nompumelelo on May 2, 2016
  96. Science

    Hurricane Isabel passed well to the south of Norfolk, and yet it caused extreme flooding and power outages throughout this region. Why?

    asked by jason on November 9, 2018
  97. life orientation

    in 10-15 lines critically discuss 5 ways in which floods have an promblem impacts on the human and environmental in south africa

    asked by diale lesego on April 13, 2013
  98. adult education

    political cartoons in 1994 in south africa would most likely depict shackles being removed off a voter in order to express what?

    asked by Anonymous on November 16, 2009
  99. Social Studies

    South Asia’s flood plains have attracted a great deal of people because of their _______________. rich soil?

    asked by brooke on May 15, 2015
  100. Intro to Business

    Because of ____,it may be legal to bribe other businesses and governmen officials in some south american countries,while this practice is still illegal in the u.s

    asked by Malayah on November 25, 2016