Public spaces such as playgrounds or skate parks often serve the purpose of meeting which significant human needs? A: Needs for conflict and stress B: Needs for solitude and meditation C: Needs for creativity and art creation D: Needs for creativity and challenge*** It is D ...
Tuesday, May 12, 2015 at 11:33am
23. Two of the following proverbs have similar meanings. Which ones are they? 1. Once bitten, twice shy. 2. No one is happy all his life long. 3. Hitch your wagon to a star. 4. Fortune favors the brave. 5. All people have the same share of happiness. 37. Two of the following ...
Tuesday, May 12, 2015 at 2:00am
Iron -59 has a half life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that a new sample of iron? Show all calculations leading to a solution. Can you work the problem? I don't know how to solve for t!!! Please.
Monday, May 11, 2015 at 10:17pm
Story : The Ethanol Debate Natalie Stewart What feature of the selection BEST illustrates that it is a persuasive essay? A) < -- A? the chart showing the rise in corn prices B) the information on how farmers feed their herds C) the description of how ethanol use costs ...
Monday, May 11, 2015 at 9:26pm
Science help urgent :/
What has been the general trend in human population growth? A.) The human population has decreased. b.) The human population has remained constant. C.) The human population has grown exponentially. d.) The human population has increased and then decreased significantly.
Monday, May 11, 2015 at 4:03pm
life orientation project
research and briefy discuss the following processes that the community must engage whenever there is an issue before and during a protest :how to engage in a protest, protest restrictions,permit to hold a protest, activities during a protest,as well as the powers of the police...
Monday, May 11, 2015 at 2:01pm
Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution. Is this how you would do this? (100/25) = 0.693 times (45.1) 4= 31.2543 final answer is 7.8136
Monday, May 11, 2015 at 2:00pm
Art Ms. Sue?? Writeacher??
Nineteenth-century sculptor Cordier also created busts of African men and women in addition to African Venus. Which of the following was most likely his source of inspiration? -interest in the African form -promoting human justice*** -promoting the importance of slavery -...
Monday, May 11, 2015 at 2:15am
Iron-59 has a half-life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution. I am really confused on how to find t here? Can someone help? I can set up the rest of the equation
Sunday, May 10, 2015 at 5:17pm
evaluate the extent to which the service delivery protest you have described in 2 above met or did not meet with processes that you have research end in 3 above
Sunday, May 10, 2015 at 2:40pm
in about one page describe a recent service delivery protest in your community or in the neighbourhood. What are the problems that the community faced? What did the community members do before the protest? Explain how the protest was conducted by the community, and what the ...
Sunday, May 10, 2015 at 7:05am
TOPIC:campaign with responsibility CRITICAL FOR MARKS (A)introduction (3marks) (B) description of recent service delivery protest (5marks ) (C)research on processes of campaigns and protests (20 marks) (D)evaluation of current protests (20marks) (E) interview questions (...
Sunday, May 10, 2015 at 5:39am
Iron -59 has a half -life of 45.1 days. How old is an iron nail if the Fe-59 content is 25% that of a new sample of iron? Show all calculations leading to a solution.
Friday, May 8, 2015 at 2:44pm
General Chemistry 132
When solid NH4NO3 is dissolved in water at 25celcius, the temp of the solution decreases. What is true about the signs of enthalpy and entropy for this process? I understand entropy is positive, however, i do no understand why enthalpy is also positive. Can someone please ...
Wednesday, May 6, 2015 at 9:53pm
48,778 ; 41,046 ; 29,083 ; 36, 394 ; 32,302 ; 42,787 ; 41,972 ; 37,229 ; 25,314 ; 31,920 ; 38,030 ; 38,445 ; 30, 750 ; 38,886 ; 36,770 ; 46,046 use five classes. is it reasonable to assume that the life spans are normally distributed? I don't get what am I suppose to do?
Wednesday, May 6, 2015 at 8:32pm
This is my sample: 29,083 ; 25,314, 31,920 ; 30,750 ; 32,302 I need to find the mean and standard deviation of this sample?! How can i assure the life spans are normally distributed?
Wednesday, May 6, 2015 at 7:59pm
Ok so I have to do a powerpoint presentation on the Holocaust. My topic is how Anne Frank's life represented the Jewish experience during the Holocaust and I need 3 websites. (If I find some I will update this post) :)
Wednesday, May 6, 2015 at 9:57am
English 4 !
I know this is Assonance The ship was cheerd, the Harbour cleard Twas sad as sad could be; But I need to know the effect of what is the tone or mood or theme in these two lines in the poem "The Rime of the Ancient Mariner" by Samuel ...
Monday, May 4, 2015 at 9:19pm
is core to the notion of life, liberty and the pursuit of happiness in the Declaration of Independence. (Points : 1) Human agency Pure unfettered liberty the idea that government may never restrict citizens liberty the concept of American exceptionalism
Monday, May 4, 2015 at 7:08pm
3. How did mass production in the 1920s affect life in South Carolina? A. The variety of available consumer products decreased B. Some citizens bought mass produced cars C. Farmers bought mass produced farm vehicles D. Citizens purchased more hand-made items i think it is b
Monday, May 4, 2015 at 2:57pm
In commercial/industrial life, most AC apparatus (e.g. lifts, lights, machinery, air conditioning, motors and so on) take more from the electricity supply source than they actually need. Power Factor Correction (PFC) is an energy saving technology that is used to improve the ...
Monday, May 4, 2015 at 9:59am
A moon rock collected by a U.S. Apollo mission is estimated to be 3.70 billion years old by uranium/lead dating. Assuming that the rock did not contain any lead when it was formed, what is the current mass of 206Pb per 1.185 g of 238U in the rock? The half-life of 238U is t1/2...
Sunday, May 3, 2015 at 11:52pm
Sir Edward Burnett Tylors concept of survivals is best defined by which of the following? (Points : 1) Cultural traits change the least because they are the means by which a society copes with its environment. Primitive cultures have avoided extinction as more complex ...
Saturday, May 2, 2015 at 11:31pm
Introduction to business
2. Ida works on creating ways to ensure that customers receive goods at the right time and correct location. Ida is involved in her firm's ________ strategy. A. pricing B. transportation C. product D. promotion 3. Mario is part of a strategic planning team. He has ...
Friday, May 1, 2015 at 10:23pm
Introduction to business
1. In which stage of the product life cycle are profits at their highest? A. Introductory stage B. Decline stage C. Maturity stage D. Growth stage
Friday, May 1, 2015 at 10:22pm
All persons born or naturalized in the united States and subject to the jurisdiction thereof, are citizens of the United States and of the state wherein they resize. No state shall make or enforce any law which shall abridge the privileges or immunities of citizens of the ...
Thursday, April 30, 2015 at 3:07pm
Philosphy - Dream Interpreations
I recently just had a dream when I was alone in my room enjoying myself and suddenly about 4-5 to what I perceived as venomous snakes, each with a vivid and distinct coloring design, appeared from the trashcan in the room and start slithering around. As I made feeble and ...
Wednesday, April 29, 2015 at 8:59pm
Physics - Half Life Question Check!!!
An ancient rock is found to contain 40Ar gas, indicating that 77% of the 40K in the rock has decayed since the rock solidified. Any argon would have boiled out of liquid rock. How long ago did the rock solidify? The half-life of 40K is 1.25 billion years. A) 2.6 billion years ...
Tuesday, April 28, 2015 at 8:36pm
. Imagine that you are a British industrial worker who fell asleep in 1833 and awoke mysteriously eighty years later, in 1913. What, if anything, is still recognizable from your own life?
Tuesday, April 28, 2015 at 7:41pm
Science Please help me Ms. Sue?!?!?!?
1) Forests and fisheries are examples of A. abiotic factors B. energy factors C. renewable resources*** D. nonrenewable resources 2) How has the human population changed during the last 50 years? A. The human population has increased exponentially*** B. The human population ...
Tuesday, April 28, 2015 at 2:06pm
What did Isaac Singer do to improve American society? and what did he do that may not have been so good? Isaac Singer invented a way to make improvements to the sewing machine in an effort to boost up the sewingn industry and to create a better reliable way of sewing clothes. ...
Monday, April 27, 2015 at 10:52pm
Should the first letter of these words be capitalized in this sentence or not? I'm quoting them from a poem, and they are not capitalized there. Should I add a comma before "diverged"? The words "diverged," "both," and "another day" ...
Monday, April 27, 2015 at 7:33pm
If a widget's reliability is represented by an exponential distribution with beta = 75 (weeks). What is the 50% life expectancy e.g. the length of time where the reliability = 50%?
Monday, April 27, 2015 at 5:28pm
World Geo, Help pls
Please help!!! Which of the following is not true about Aborigine culture? (1 point) It is the oldest surviving culture on Earth. Traditional Aborigine societies formed agricultural settlements. Aborigines do not believe that land belongs to humans. Aborigine groups are spread...
Monday, April 27, 2015 at 4:42pm
The radioactive nuclide 18F decays by first order kinetics with a half life of 1.83 hr. How many hours will it take for 68.5% of a give quantity of 18F to decay?
Monday, April 27, 2015 at 3:05pm
Louis Welch is general manager of United Salons. During 2014, Welch worked for the company all year at a $10,200 monthly salary. He also earned a year-end bonus equal to 10% of his annual salary. Welchs federal income tax withheld during 2014 was $850 per month, plus $...
Monday, April 27, 2015 at 2:13pm
Each human hand has 27 bones. There are 6 more bones in the fingers than in the wrist. There are 3 fewer bones in the palm than in the wrist. How many bones are in each part of the wrist?
Sunday, April 26, 2015 at 11:12pm
In an exhibit at the NASA museum in Huntsville, AL, there is a human centrifuge. Guests stand upright against the walls of a circular room with a radius of 8 meters which then spins at an angular velocity ω about an axis through its center. Then, once the room...
Sunday, April 26, 2015 at 2:36pm
1.Which of the following could be true of two different species that have a competitive relationship in the same ecosystem? A.One species preys on the other. B.The relationship is mutually beneficial. C.They share the same niche. D.One species benefits, while the other is ...
Saturday, April 25, 2015 at 2:28pm
1. Which word best describes modern life for Japanese teenagers such as Asuka? relaxed crowded isolated traditional 2. Tropical storms often hit Japan during the ________. summer winter spring fall 3. Which of Japan's islands has the largest level area? Hokkaido Honshu ...
Friday, April 24, 2015 at 1:19pm
Can someone help with this one? Half life of 55Cr is about 2 hours. A sample of the isotopes delivered from the reactor to lab requires 12 hours. What is the minimum amount of material that should be shipped to get 1.0 mg of 55Cr. I said 32mg but I got it wrong and I don't...
Thursday, April 23, 2015 at 10:24pm
If 9.00 g of _27^60 Co (half-life = 5.30 y) are allowed to decay, how many grams would be left after 1.00 y and after 10.0 y? g after 1.00 y g after 10.0 y
Thursday, April 23, 2015 at 9:54pm
Some research questions
I missed this week until today, and my science professor told me I have until tomorrow to do at least 50% of this project. Project: A 20 slide power point presentation over economy and environmental issues in Bolivia. Must include pictures, extra points for sound. Country ...
Thursday, April 23, 2015 at 8:51pm
How would a visual effects designer working on an animated movie with human characters best use knowledge of biology? Knowledge of biology can help the designer to create accurate human features.**** Knowledge of biology can help the designer to create an action packed film ...
Wednesday, April 22, 2015 at 11:17am
Language Arts Ms. Sue?? Writeteacher??
"President Lincoln's Declaration of Emancipation, January 1, 1863 bu Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears IT shall flush the mountain ranges, And ...
Tuesday, April 21, 2015 at 11:15pm
One way to raise the pH of an acidic lake (and restore aquatic life) is to add limestone (CaCO3). How many grams of CaCO3 are needed to neutralize 1.2kL of the acidic water from the lake if the acid is sulfuric acid? H2SO4(aq)+CaCO3(s)→CO2(g)+H2O(l)+CaSO4(aq)
Tuesday, April 21, 2015 at 10:29pm
help last one asap ss
Discuss the significance that segregation, voting rights, and education had on African American life in the South during the late 19th and early 20th centuries.
Tuesday, April 21, 2015 at 8:47pm
Ethics in Tech
The Ariane 5 satellite launch vehicle failed because: A. a faulty on-board computer caused the other computers in the network to crash repeatedly. B. a bad sensor fed faulty information into the flight control computer, causing it to fail. C. the rocket's on-board computer...
Tuesday, April 21, 2015 at 12:28pm
Read this passage from Donnes Meditation 17. Then, answer the question that follows. No man is an island, entire of itself; every man is a piece of the continent, a part of the main. If a clod be washed away by the sea, Europe is the less, as well as if a ...
Sunday, April 19, 2015 at 7:40pm
Physics/Chemistry HELP!! URGENT!!
Arsenic in geomedia contaminates an aquifer by naturally occurring geological processes. The aquifer has a bulk density of 1.55 g/cm3 and a particle density of 2.63 g/cm3. The distribution coefficient, Kd value is 0.0370 L/kg. The initial concentration at the source is 40.0 ...
Saturday, April 18, 2015 at 3:13pm
Can you check grammatical error, word use error and sentence structure error in this text? >>>This text is text, teacher to come to find the errors. I need you help just tell the error of each part. What's there? >>>Thank you<<< What can you do ...
Saturday, April 18, 2015 at 10:37am
why is it important biodiversity? A. preservation of biodiversity prevents the extinction of species B. preservation of biodiversity increases the amount of fossil fuels formed in a shorter period of time. c. preservation of biodiversity disturbs the balance in ecosystems D. ...
Friday, April 17, 2015 at 5:02pm
1. How did planetesmals form planets? They broke apart into smaller chunks They collided and stuck together They cooled and pulled ice together****** They began to rotate 2. What distance was used to define the astronomical unit (AU)? The average distance across the sun, its ...
Friday, April 17, 2015 at 4:40pm
1. How did planetesmals form planets? They broke apart into smaller chunks They collided and stuck together They cooled and pulled ice together They began to rotate 2. What distance was used to define the astronomical unit (AU)? The average distance across the sun, its ...
Friday, April 17, 2015 at 1:41pm
Stream Physics Hydrology - HELP!!!!
1a) An aqueous solution containing 35 kg of endosuflan insecticide is accidentally released into a small stream. The stream dimensions are 17.5 meters wide and 1.15 meters deep. The stream velocity is 1.1 m/s. The stream channel drops 24m over a distance of 10 km. Endosuflan ...
Friday, April 17, 2015 at 1:08pm
the isotope has a very short life of 13 half-life days. estimate the percentage of the original amount of the isotope released by the explosion that remains 3 days after the explosion?
Thursday, April 16, 2015 at 5:11pm
maths lit , life sciences, business studies and economics
what can i be with these subjects please people i need help
Thursday, April 16, 2015 at 4:41pm
Strategies for the Independent Learner
When you approach a text, you should A. survey it, using the technique called SQ3R. B. dive right in at the first page and read the assigned section. C. skip over words you dont know. D. read only the boldface type. 2. The proctored exams for your degree courses are A. ...
Thursday, April 16, 2015 at 3:31pm
A radioactive element x has half life of 30 days and will decay to become another new element Y.. a) calculate decay constant b) how long it will take for 90% of the no.Of atom in radioisotope x to decay?
Thursday, April 16, 2015 at 1:53pm
The life span of a DVD player produced by one major company is known to be normally distributed with a mean of 6.2 years. If 4.01% of these DVD players have a life span of more than 8 years, what is the standard deviation of the DVD players life span?
Wednesday, April 15, 2015 at 2:54pm
Which of the following would most likely be an entry in a sentence outline? A. Education beyond high school versus education beyond college B. Education as a pathway C. Education as a tool D. Education can change a person's life.
Wednesday, April 15, 2015 at 1:15pm
Hello I am having quite a bit of trouble trying to figure out a better way to answer this. 1. In the video, The Fates Present: Pyramus & Thisbe,There are parts of the animated version in which there is a character, who appears at the beginning of the animation first, and who ...
Wednesday, April 15, 2015 at 12:08pm
Communication in the Workplace
Imagine that you have taken a new job as head of Human Relations (HR) for an up-and-coming software firm. Your 150 employees are hip, smart and tech savvy. They are also big cell phone users. Cell phones are an important tool for your business communications, and you don't...
Wednesday, April 15, 2015 at 11:53am
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 6.7 x10-7 m and a maximum speed of 3.9 x10-3 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b) What is the ...
Wednesday, April 15, 2015 at 11:14am
You have been hired as a marketing consultant to Johannesburg Burger Supply, Inc., and you wish to come up with a unit price for its hamburgers in order to maximize its weekly revenue. To make life as simple as possible, you assume that the demand equation for Johannesburg ...
Tuesday, April 14, 2015 at 7:50pm