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August 29, 2014

Homework Help: Health: Human Life Cycle

Recent Homework Questions About the Human Life Cycle

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science
The half-life of uranium-235 is 713 million years. Suppose a fossil originally had 26 grams of uranium-235. A geologist had the fossil tested and found that it now has only 3.25 grams of uranium-235. Approximately how old is the fossil?
Friday, November 22, 2013 at 2:52pm

science
How does a stars life begin ?
Friday, November 22, 2013 at 2:40pm

language arts
We saw the months of wicked weather, As day to painful night did turn, Waiting, huddled close together For the frozen sun’s return. Our nights were almost endless torture. Our food was gone. Our fuel was low. We came in search of grand adventure But ended trembling in the...
Friday, November 22, 2013 at 11:49am

Vocabulary
In modern hopitals, everything possible is done to prevent mistakes resultin from human (fallibility ,uncertainty) Answer - Uncertainty
Thursday, November 21, 2013 at 9:40pm

SS again please help me asap
which of the following best describes the life style of up country residents? homes were decorated with portraits and silver men and women worked hard to operate farms houses had special rooms for visitors families lived in bustling towns with close neighbors
Thursday, November 21, 2013 at 4:59pm

Science
Scientists have inserted the gene for human insulin into bacteria. These bacteria make the insulin protein, which can then be used by people who have diabetes. This process is an example of -hybridization -gene therapy -selective breeding -genetic engineering my answer is D
Thursday, November 21, 2013 at 12:56pm

Geology
If the decay constant for radioactive decay of ^40 K is λ = 5.543*10^(-10) / year, use this equation to calculate ages of the samples in the following table: t(1/2) = 0.693/λ 1)What is the half life of 40K? table -----Np --- Nd---- Nd/Np A)6439-----2303---0.358 B)...
Thursday, November 21, 2013 at 12:20pm

Life science, history, geography, and mathematics
cn diz subjects help me wit ma career choice bcz i wnt 2 bcum an archaeologist
Thursday, November 21, 2013 at 8:15am

5 Language Arts questions:Poem:Mother to Son
1. How would you describe a deferred vacation? A. One that was booked several months ago. B. One that was delayed until a later time. C. One that was planned out many months ahead of time. 2. The speaker in the poem, “Mother To Son,” says the following: “Life ...
Wednesday, November 20, 2013 at 1:51pm

Social studies
(respost) I chose the Airplane and I know that it was invented by the Wright brothers etc. But what I don't know what to write a paragraph on is "Describe the social impact the invention had on society". Please help! I really stuck here :? yes, thank you so much ...
Tuesday, November 19, 2013 at 11:56pm

Biology
The half-life of carbon-14 is 5,700 years. If a sample originally had 26 g of carbon-14, how much would it contain after 22,800 years?
Tuesday, November 19, 2013 at 6:15pm

Social Studies (History)
Is this a good journal entry for an Italian immigrant who came to America to New York? My family is made up of italians, i wanted to migrate to the Americas because my mother and father have died from a sickness no one could cure. It was hard for my brother, Vinny,and my ...
Tuesday, November 19, 2013 at 5:34pm

Health (Ms. Sue)
List five benefits both smokers and smokeless tobacco users can expect after quitting. A: Whether a person had used tobacco or not, choosing to live without tobacco dramatically improves a person’s quality of life. Therefore, five benefits of both smokers and smokeless ...
Monday, November 18, 2013 at 8:35pm

college algebra
Use a calculator to help solve the problem. An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr
Monday, November 18, 2013 at 7:38pm

Physical Science
1. Which equation correctly shows beta decay? (A) 210/82 Pb -> 209/81 Tl + 0/-1 e + y (B) 210/82 Pb -> 209/83 Bi + 0/-1 e + y (C) 210/82 Pb -> 210/83 Tl + 0/-1 e + y (D) 210/82 Pb -> 210/83 Bi + y (E) 210/82 Pb -> 210/83 Bi + 0/-1 e + y 2. The half-life if radon...
Monday, November 18, 2013 at 2:27pm

Half-life
After two hours, 1/16 of the initial amount of a radioactive isotope remains undecayed. What is the half-life of the isotope?
Monday, November 18, 2013 at 8:45am

Business 101
1. Carmen Santiago works for a number of businesses as a “consultant.” She has helped design accounting systems, provided accounting services, and analyzed the financial strength of her clients’ businesses. Carmen is working as a A. public accountant. B. ...
Sunday, November 17, 2013 at 6:59pm

college algebra
An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of the substance? (Round your answer to one decimal place.) ____hr
Sunday, November 17, 2013 at 4:10pm

college algebra
In 4 years, 30% of a radioactive element decays. Find its half-life. (Round your answer to one decimal place.) _____ yr
Sunday, November 17, 2013 at 3:10pm

Human services
I am having terrible trouble with this assignment. I cannot find the information i need, I am using a website called HOPE of East Central Illinois Here are the questions How do these laws influence the organization's decision-making and its day-to-day operations? What role...
Saturday, November 16, 2013 at 12:52pm

criminal justice
Who would be the stakeholders of human trafficking?
Thursday, November 14, 2013 at 9:19pm

Algebra 1 ( Inequalities and their Graphs)
Come up with 2 real world examples of situations that use function rules. Think about your daily life, your home, or the community you live in for ideas. . Can i get an example because i dont know how to do this..
Thursday, November 14, 2013 at 1:53pm

chemistry
Why are some solutions seen by the human eye with specific colors, while other solutions are observed to be colorless??
Wednesday, November 13, 2013 at 2:36pm

history
Which country lawyer from Ashtabula, Ohio, argued that criminals are not born, but are made by the unjust condition of human life? A. Herbert Spencer B. William Graham Sumner C. Clarence Darrow D. Washington Gladden
Wednesday, November 13, 2013 at 2:36pm

Chemistry
Why are some solutions seen by the human eye with specific colors, while other solutions are observed to be colorless??
Wednesday, November 13, 2013 at 12:00am

Principles of Finance
.A thirty year US treasury bond has a 4.0 percent interest rate.In contrast, a ten year Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be 0.2 percentage points for the longer maturity bond. Investors expect inflation to average 1.5 ...
Tuesday, November 12, 2013 at 10:23pm

US History
What is Thomas Jefferson trying to say in this excerpt from the Declaration of Independence ? :The Right of the People to Control Their Government . . . We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain...
Tuesday, November 12, 2013 at 9:14pm

life management skills
10. Using the information above, write your mission statement. It can take many forms: a song, picture (explain the picture), theme, or collage. Make it uniquely you. A mission statement should be short enough to commit to memory but contain those points that are important to ...
Tuesday, November 12, 2013 at 8:58pm

canadian history
what was the way of life or lifestyle like for fur traders and settlers at red river? how is it different from our lifestyles today?
Tuesday, November 12, 2013 at 8:20pm

math
3. The half-life of a certain drug in the human body is 8 hours how long it would take for a dose of this drug to decay to 0.1% of its initial level?
Tuesday, November 12, 2013 at 6:52pm

math
1.The remains of an old campfire are unearthed and it is found that there is only 80% as much radioactive carbon-14 in the charcoal samples from the campfire as there is in modern living trees. If the half-life of carbon- 14 is 5730 years, how long ago did the camp...
Tuesday, November 12, 2013 at 6:52pm

phyics
When responding to sound, the human eardrum vibrates about its equilibrium position. Suppose an eardrum is vibrating with an amplitude of 5.0 x10-7 m and a maximum speed of 3.3 x10-3 m/s. (a) What is the frequency (in Hz) of the eardrum's vibrations? (b) What is the ...
Tuesday, November 12, 2013 at 11:02am

Finance
You and your spouse both have good retirement plans through work,and both receive social security checks based on your own incomes. If your goal is to maximize the size of your annuity check every month, which option should you choose? A. single life annuity B. annuity for ...
Monday, November 11, 2013 at 8:37pm

finance
When planning the retirement payout, there are several options from which to choose. With ______________ option, the annuity provides payments over the life of both you and yor spouse. A. lump sum annuity B. single life annuity C. annuity for life D. combination annuty Is the ...
Monday, November 11, 2013 at 6:18pm

Chemistry
After 53.0 min, 14.0% of a compound has decomposed. What is the half-life of this reaction assuming first-order kinetics?
Monday, November 11, 2013 at 3:41pm

Health (Ms. Sue)
1. List the legal charges that a teen can face if he or she is caught drinking and driving. A: The legal charges that a teenager can face if he or she is caught drinking and driving are arrest, heavy fines, suspension of one’s driver’s license, and possible time in ...
Monday, November 11, 2013 at 1:19pm

science
Identify a viewpoint from the text that highlights the importance of biodiversity. Do you believe every species is connected to one another, as expressed in the text? Why or why not? Give an example of a case where the extinction of one species might effect the life of another.
Monday, November 11, 2013 at 1:12pm

English: Please help
Serving the financial division of the government is the primary responsibility of the (1 point) Department of the Interior. Department of Commerce. *Department of the Treasury. Department of State The National Park Service is part of this department. (1 point) *Department of ...
Monday, November 11, 2013 at 12:52pm

geomertry
You eat a new kind of fruit and suffer from hives for the first time in your life. A week later, you try the fruit and the hives recur. A month later, you have a similar experience. conclusin
Monday, November 11, 2013 at 9:26am

college essay
can someone edit my college essay? I was told by an admissions counselor to write a supplement describing my low cumulative GPA. It is a rough first draft, and probolaly needs to be heavily edited I am my truest and purest self, a mere child embarking on the beginning of the ...
Sunday, November 10, 2013 at 9:37am

Science
an insect undergoes major changes in its life cycle - from egg, to larva, to pupa, to adult. This insect goes through what?
Sunday, November 10, 2013 at 7:24am

statistics
Assume that human body temperature are normally distributed with a mean 98.21 F and a standard deviation of 0.61F a)A hospital uses 100.6 as the lowest temperature considered to be a fever. What percentage of normal and healthy persons would be considered to have a fever. Does...
Saturday, November 9, 2013 at 9:57pm

PSY/340
I need help finding information on this question please. Discuss the importance of lifelong learning and brain stimulation to longevity and quality of life.
Saturday, November 9, 2013 at 9:23pm

Computers (Internet)
What are 2 credible websites that has information with human evolution?
Friday, November 8, 2013 at 1:54pm

Earth Science
need help plzz .... I did some but I would like someone to double check them too 1. How did planetesmals form planets? (1 point) A. They broke apart into smaller chunks. B. They collided and stuck together. C. They cooled and pulled ice together. D. They began to rotate. 2. ...
Friday, November 8, 2013 at 11:23am

biology
many human-caused losses of biodiversity, such as habitat destruction and of invasive species. are there any natural events that could alter the diversity index?
Friday, November 8, 2013 at 4:04am

English!
This is what i got so far but i need help with an opening paragraph and conclusion Mark twain used huck as narrator to see the innocent view of these difficult adult themes. in the eyes of a child, the morality of the situations he finds are much more concerning than most ...
Thursday, November 7, 2013 at 11:08pm

Chemistry (Dr.Bob222)
The half-life of P-32 is 14 days. How long after a sample is delivered can a laboratory wait to use a sample in an experiment if they need at least 10 percent of the original radioactivity? I need help on how to set up this problem. What is the general equation to use for a ...
Thursday, November 7, 2013 at 5:41pm

Math in Science
A rock containing a newly discovered fossil is found to contain 5 mg of an unstable form of potassium and 5 mg of the stable element formed from its decay. If the half-life of the unstable form of potassium is 1.3 billion years, how old is the rock? What can you infer about ...
Thursday, November 7, 2013 at 5:25pm

Law (Ms.Sue)
Does the Human Rights Act imply to everyone internationally or just in the UK? What is an Identity Card in terms of the Law and in the current affairs?
Thursday, November 7, 2013 at 2:35pm

Law (Ms.Sue)
Does the Human Rights Act imply to everyone internationally or just in the UK? What is an Identity Card in terms of the Law and in the current affairs?
Thursday, November 7, 2013 at 1:49pm

English II
from "EXTRICATING YOUNG GUSSIE" by P.G. Wodehouse She sprang it on me before breakfast. There in seven words you have a complete character sketch of my Aunt Agatha. I could go on indefinitely about brutality and lack of consideration. I merely say that she routed me ...
Thursday, November 7, 2013 at 1:27pm

biochemistry
The following data describe the binding of oxygen to human myoglobin at 37oC. P02 (mm Hg) = 0.5 1 2 3 4 Theta = .161 .277 .434 .535 .605 P02 (mm Hg) = 6 8 12 20 Theta = .697 .754 .821 .885 From these data, estimate: a). P50 b) the fraction saturation of myoglobin at 30 mm, the...
Thursday, November 7, 2013 at 10:29am

biology
Enzymes in the human body work in a very wide range of conditions. A. True B. False
Wednesday, November 6, 2013 at 8:10pm

Health (Ms. Sue)
1. Describe how drugs can change the way the brain works. A: Some drugs can change the way neurons within the brain communicate with each other. These drugs act like neurotransmitters, block neurotransmitters, or change the amount of a neurotransmitter in synapses. Therefore, ...
Wednesday, November 6, 2013 at 5:27pm

Law (Ms.Sue)
Rights and Responsibilities: Find the key term that fits with it's definition: 1)A set of rights people have. They include freedom of speech and assembly A-I think it's social rights. 2)An international agreement drawn up after WWII A- I think it's UDHR 3)A court ...
Wednesday, November 6, 2013 at 2:12pm

Loans
A borrower received a 30-year ARM mortgage loan for $120,000. Rate caps are 3/2/6 (first adjustment/subsequent adjustments/total over the life of the loan). The start rate was 3.50% and the loan adjusts every 12 months for the life of the mortgage. The index used for this ...
Tuesday, November 5, 2013 at 2:44pm

literature
In "How the World Began" what we now consider the North American continent, Native Americans saw as Answer a-turtle's back b-a pancake c-a great American desert d-the Land of Oz In "How the World Began," Iagetci's fall from the upper world is ...
Tuesday, November 5, 2013 at 2:05pm

college resume
Is there any way to edit or improve this? Community Service Description Grades(s) Hrs/wk wk/yr BuildOn Raised $2,000 through active fundraising and community service, donated all funds to Malawi, lived with a host 10 56 4 family for a week to fully ascertain their lifestyle, ...
Tuesday, November 5, 2013 at 12:49pm

socialstudies(2Qs)
A woman has just lost her job at an automobile factory.She decides to move some place warmer to look for work in the thriving tourist industry.She is most likely migrating between which two regions? A.from the southeast to the northeast B.from the northwest to the southwest C....
Tuesday, November 5, 2013 at 9:36am

ancient history
1)Discuss the life of Paleolithic nomads and what did this type of life make it impossible for these people to live? 2)What were Cyrus,Darius and Zoroaster main concerns at the time? Pls. answer the questions as soon as possible
Tuesday, November 5, 2013 at 6:12am

socialstudies(5Qs)
hi guys could you check my social studies answer thanks.oh and if there wrong could you give me the right answer and some information. ----------------------------------------​ 1.The climate throughout most of the united states is__________. A.tropical B.temperature C....
Monday, November 4, 2013 at 11:01pm

Health (Ms. Sue)
1. Identify your target heart rate zone. Identify the purpose of knowing your target heart rate zone. A: My target heart rate zone is 103 to 175 beats per minute. (However, what is the purpose?) 2. "Jorge was always tired. He felt that he was always studying for an exam ...
Monday, November 4, 2013 at 10:42pm

Health (Ms. Sue)
1. Explain how being a good sport can help you develop healthy life skills. A: Being a good sport can help you develop your motivation, leadership, and cooperation skills, which are healthy life skills? (I am not certain about the answer of this one.) 2. A friend says, "I...
Monday, November 4, 2013 at 10:09pm

Health (Ms. Sue)
1. Describe what happens during NREM and REM sleep. A: In the beginning of a sleep cycle, we enter NREM sleep. The body recovers from the stress of the day's activities during this part of the sleep. Then, about 1.5 hours into sleep, we enter REM sleep, or dream sleep. Our...
Monday, November 4, 2013 at 9:53pm

Health (Ms. Sue)
Describe how sleep deprivation can affect daily life. A: Sleep deprivation can greatly affect your daily life as even occasional periods of sleep deprivation can make everyday life seem even more stressful and can cause you to be less productive?
Monday, November 4, 2013 at 8:38pm

interpersonal communications
because words have human senders and receivers, they also have multiple intentions and interpretations. True or False
Monday, November 4, 2013 at 7:26pm

college Algebra
Use a calculator to help solve the problem. The life expectancy of white females can be estimated by using the function = 78.5(1.001)x, where x is the current age. Find the life expectancy of a white female who is currently 50 years old. Give the answer to the nearest tenth. L...
Monday, November 4, 2013 at 4:32pm

College Algebra
Use a calculator to help solve the problem. One isotope of holmium, 162Ho, has a half life of 22 minutes. The half-life of a second isotope, 164Ho, is 37 minutes. Starting with a sample containing equal amounts, find the ratio of the amounts of 162Ho to 164Ho after two hours...
Monday, November 4, 2013 at 4:07pm

Biology ms. sue
ms. sue can you give me link to some pictures it says give description of the species including both sexes and their younger life stages for animals include images.
Monday, November 4, 2013 at 2:27pm

ms. sue
ms. sue un diubg research on species great blue heron and i need to gather info about description of species including both sexes and also their younger life stages for animals, i cant find info on this site sararegistry is that info here anywhere? The Great Blue Heron flies ...
Monday, November 4, 2013 at 2:26pm

physics
The human body can safely tolerate an acceleration 9.00 times that due to gravity. with what minimum radius of curvature may a pilot recover from a dive in pitching up the airplane if the airplanes speed is 770km/h at the end of the dive?
Sunday, November 3, 2013 at 2:38pm

abnormal psychology
Is this true or false With regard to life transitions, adolescence appears to be a time of particular stress because of the many changes that occur.
Sunday, November 3, 2013 at 1:50pm

Finance
A thirty-year Treasury bond has a 4.0 percent interest rate. In contrast, a ten-year Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be 0.2 percentage points for the longer maturity bond. Investors expect inflation to average 1.5 ...
Sunday, November 3, 2013 at 9:42am

civics
I have searched for a case study done on women being paid less in the workforce and cannot come up with anything. Would any of you know of any real-life examples of women being paid less?
Sunday, November 3, 2013 at 1:38am

Can someone please help me with this history!!!!!!
Multiple Choice 1. Which of the following statements describes the most common experience of Native Americans after encountering Europeans for the first time? (1 point) Native Americans thought the settlers had nothing to offer them in trade or knowledge. Native Americans ...
Sunday, November 3, 2013 at 12:45am

Health (Ms. Sue)
1. Describe how loss can cause stress. A: When you experience loss, you can feel the physical and emotional effects of stress. For example, after a loss, you may develop tension headaches or an increase in blood pressure. You may also feel irritable and confused. (I don't ...
Saturday, November 2, 2013 at 9:41pm

obituary writing
I just need one more proofread.. My question is when two people have the same last name, how would you attribute them.. IE Tom and John Hoyer.. and if you see any other mistakes feel free to address by any means.. Hoyer died on at the Warner Barry Pavilion, a long-term care ...
Saturday, November 2, 2013 at 6:48pm

physics
A thermal neutron beam of intensity 1 to the power 11, neutrons/sec is directed for 2 days into a cavity in a block of cobalt initially composed entirely of the stable isotope Cobalt 59. The neutrons are all captured, producing cobalt 60 nuclei which are radioactive with a ...
Saturday, November 2, 2013 at 3:29pm

Anyone wanna help me with this math?
Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Studies conducted in England during the Industrial Revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The ...
Saturday, November 2, 2013 at 2:42am

science
20. Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life. Can you help me Ms. Sue?
Friday, November 1, 2013 at 3:31pm

Everest
The Greek philosopher Socrates cautioned, "The unexamined life is not worth living." (Points : 4) True False
Thursday, October 31, 2013 at 9:38pm

soicalstudies
before I start I wanna say I don't known of this and don't have a book help ----------------------------------------​------------------ 1.greece's economy prospered thanks to A.the arts B.philosophy C.trade D.architecture...
Thursday, October 31, 2013 at 5:22pm

chemstry
How long will it take 200 mg of carbon-14 to decay to the point where only 75 mg remain if the half-life is 5770 years?
Thursday, October 31, 2013 at 1:02pm

chemstry
How long will it take 200 mg of carbon-14 to decay to the point where only 75 mg remain if the half-life is 5770 years?
Thursday, October 31, 2013 at 10:14am

Language arts
How did the events in Edgar Allan Poe's life affect his writing?
Wednesday, October 30, 2013 at 9:09pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Wednesday, October 30, 2013 at 5:30pm

Math
How do I work out:if life expectancy of male is 78.9 and female is 83.6. Life expectancy is % lower than female. What is formula please
Wednesday, October 30, 2013 at 5:10pm

science help plzzz
Multiple Choice 1. At the chromosomal level, what is the difference between human males and human females? (1 point) All males have a Y chromosome, and females do not. All males have an X chromosome, and females do not. All males have 47 chromosomes, and females only have 46. ...
Tuesday, October 29, 2013 at 11:54pm

English
Need an example of main idea for the following sentences. A dog needs fresh, clean water every day. To stay healthy, a dog should exercise every day. A dog's diet changes throughout its life.
Tuesday, October 29, 2013 at 10:52pm

Math
1. Jane has a checkbook balance of $68.00. She then writes two checks, one for $5.00 and one for $62.50. She also deposits $75.00. She then uses her calculator to determine her new balance. Which of the following is the correct series of keys she should press? A. ON/C 6 8 + 7 ...
Tuesday, October 29, 2013 at 5:28pm

College writing supplement edit
can someone edit this Connecticut College is easily my prime choice, as I believe that its exemplary academic and career opportunities will not only help me advance as a student, but also as a future professional English teacher. The college one chooses has a preeminent impact...
Monday, October 28, 2013 at 6:18pm

chemistry
How would I find amount of P in a 100 liter solution. The liter of solution contains nitric and sulfurous acid and possibly a dissolved body... the body weighs 70 kg and there are 6.3 ppt of phosphorous in a human body.
Sunday, October 27, 2013 at 9:38pm

Science
How would you write a method on a hypotheses relating to meaning in life and both physical and psychological well-being scores.
Sunday, October 27, 2013 at 12:32pm

maths letaracy,history,geography and life science
im going to grade 10 next year,and i want to be a psychologist and im going for maths letaracy and history feild im realy not good with maths and i just found out a few weeks ago that i need pure maths to do psychology.i dont know what to do now ,i also dont know the jobs ...
Saturday, October 26, 2013 at 8:02am

physics
If the physical half-life of sulfur-35 is 87.1 days, and the biologic half-life in the testicle is 632 days, what is its effective half-life in this organ? I know i have to find the time and then the half-life. But im having trouble finding the time A(t)=Ao x e ^ (-0.693) (t...
Thursday, October 24, 2013 at 9:58pm

Health
1). Describe why good communication is important. A: Good communication is important because it is a process through which two or more people exchange information, and, if the message is not properly sent, misunderstandings can arise. Good communication, however, is also ...
Thursday, October 24, 2013 at 9:09pm

English
Hello, I am french and I have some english homework for tomorrow, Can you correct my English please ? Thank ou During the Victorian era, the middle class growth quickly. Moreover, the social divide was very important ( To illustrate this gap, the underworld was characterized ...
Thursday, October 24, 2013 at 5:29am

History/English
Please help me understand this Explain the transformation of jurgis character throughout the jungle. How did his morals, actions and attitude change as he experienced events during his life?
Wednesday, October 23, 2013 at 8:37pm

History - Social
Overtime American Indian cultures have developed traditions that play an important role in their ways of life. How are these traditions handed down today?
Wednesday, October 23, 2013 at 6:19pm

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