Tuesday
September 2, 2014

Posts by lena


Total # Posts: 996

Physics
If I hold a rock at some height and tell you the potential energy there is 25 J, what is it's kinetic energy immediately before it hits the ground?
October 8, 2010

geo
what kind of depositional environment is shale formed in? i think its deep waters but i also need to know about how warm the water is and if its clear or dark ect. I cant find any info on this :(
October 8, 2010

Earthquakes
What determines the magnitude of an earthquake? I know that two plates slide against one another and that creates friction and the potential energy turns into kinetic energy in the form of an earthquake. But how is the magnitude determined? Im thinking the longing the 2 plates...
September 28, 2010

geo
Just to clarify i watch the movie aftershock: earthquake in new york, and i have to state whether i think that the movie was scientifically accurate or not. I said it was not and I said the reason for that were that new york is not on any fault lines. I need 2 more points as ...
September 27, 2010

geo
apparently there are 2 main reasons for an earthquake to occur (correct me if i'm wrong): volcanic activity and plate tectonics. So could I argue that there isnt any volcanic activity in NYC so there wouldnt be earthquakes?
September 27, 2010

geo
I need 3 reasons why a huge earthquake wouldnt occur in NYC. I have the following points: 1) New york city doesn't lay beneath any fault lines I also said that if an earthquake were to occur, the magnitude would be on the lower end of the ritcher scale. But how would it ...
September 27, 2010

Biology
The type of cartilage associated with bone function and development is what? I know that the elastic cartilage contains elastin which allows for elasticity and maintains shape of certain structures. Fibro is strong and rigid (strongest of 3) Hyaline cartilage provides ...
September 26, 2010

Bio
Apparently both fibro and hyaline are responsible but im doing a multiple choice practice test so Im not too sure which it is :l
September 26, 2010

Bio
The type of cartilage associated with bone function and development is what? I know that the elastic cartilage contains elastin which allows for elasticity and maintains shape of certain structures. Fibro is strong and rigid (strongest of 3) Hyaline cartilage provides ...
September 26, 2010

Chemistry
Classify the following reaction using 2 different classifications. 3Sr(OH)2+2Fe(NO3)3=3Sr(NO3)2+2Fe(OH)3
September 19, 2010

chemistry
what features account for carbohydrates high solubility in water?
September 10, 2010

Laptops
I've been searching a ton of websites but I can't seem to find a proper answer. I'm a first-year Nursing student and I need an opnion on what laptop would best suit me based on my course. Thanks in advance.
August 1, 2010

english
okie dokie :) thanks!
May 25, 2010

english
I still don't get the than and then difference? :S
May 25, 2010

english
why is is "better late than never," rather than "better late then never?"
May 25, 2010

infants
Thanks :)
April 17, 2010

infants
Is there a special name for a baby scale?
April 17, 2010

Math-please help!
Thank you!
April 12, 2010

Math-please help!
the area of the base of a triangular prisim A is 15 square inches and its altitude is 8 inches. Rectangular prism B has a square base that measures 2 inches on each side. If prisim A and prisim B have the same volumes, what must be the altitude of prisim b?
April 12, 2010

The Heart
What is the relationship between fitness level and recovery HR after sub-maximal exercise? I was thinking the more fit you are, the faster your HR will drop back to what it is when you're resting. If you're unfit, it'll take longer for that HR to go down to resting.
April 11, 2010

Anatomy (The Heart)
What is the relationship between fitness level and recovery HR after sub-maximal exercise? I was thinking the more fit you are, the faster your HR will drop back to what it is when you're resting. If you're unfit, it'll take longer for that HR to go down to resting.
April 11, 2010

Physics
The range of human hearing extends from approximately 20 Hz to 20000 Hz. Find the wavelength of these extremes when the speed of sound in air is equal to 343 m/s.
April 11, 2010

Science
why do plastics have to be separated before recycled? Like different kinds of plastics are seperated by why? Im on the organic chem unit right now.
April 8, 2010

Bio
Thank you :D
April 6, 2010

Bio
What the technical name for a children ward in the hospital? something like _____netal. im not too sure.
April 6, 2010

Digestive System
thanks!
April 5, 2010

Digestive System
Does the bile duct release bile into the small intestine? And what does bile do?
April 5, 2010

Nutrition
Thanks bobpursley :)
April 5, 2010

Nutrition
Are vegetables comprised primarily of carbs, proteins or fat? I'm talking about the digestive system and I want to know what enzyme breaks down vegetables. Pepsin breaks down proteins which is like meat. Gastric lipase breaks down fats which is like cheese and amylase ...
April 5, 2010

Sleep
Thank you :)
April 3, 2010

Sleep
What would be wrong with someone who can easily sleep up to 20 hours?
April 3, 2010

Business
Which of the following are considered debt investments? Treasury bills Stocks Collectibles Cars
April 2, 2010

Business
Which of the following are considered debt investments? Treasury bills Stocks Collectibles Cars Is it stocks?
April 2, 2010

Digestive System
Pancreatic beta cells release insulin into the blood and INHIBIT the pancreatic alpha cells from secreting glucogon. What does inhibit mean in this context and is the insulin inhibiting or is it the beta cells?
March 30, 2010

Rigor Mortis
When does rigor mortis occur?
March 28, 2010

Resume
Is it essential that you put your address on a resume?
March 17, 2010

Business
Thanks :D
March 17, 2010

Business
Belinda invested a portion of her savings, indicating that the type of investment she made was a loan to a well-known corporation that generates regular fixed interest payments. What did Belinda invest in? I think it's a bond. Am I correct?
March 17, 2010

Business
Christine proudly tells you that she recently got dividends from of one of her investments. She obviously invested in: a) stocks b) GICs c) corporate Bonds d) a money market fund
March 16, 2010

science
"Two children who are fighting over a toy pull on it from opposite sides. The result is a stand-off. Explain this in terms of the net force."
March 11, 2010

bio
is hydrogenated margarine a trans fat? is butter a saturated fat?
March 9, 2010

history
What place did the Israeli Olympic Team visit in the days prior to the hostage taking? I'm thinking it was a memorial of a concentration camp. I'm not too sure.
February 28, 2010

algebra
Solve the following equation: k2 + 4k = 0 By factoring and By using the quadratic formula Can someone please help me to understand how to this problem...I do not understand the steps to get the correct answer. Thanks!!!
February 28, 2010

History
Supposedly there are like 20 major events and i`ve gotten got 3
February 28, 2010

History
What had occurred 40 years prior to the Munich Olympics which made the games so important? The only things I got are the Holocaust, the separation of Israel and Palestine and WW2. Is there anything else that was major?
February 28, 2010

History
True, thank you :)
February 28, 2010

History
Yes, I have read that. But in terms of reconciliation with the Jewish people, that didn't do much, it only caused more problems.
February 28, 2010

History
why were the munich olympic games viewed as being of particular importance world politics, national relations, and reconciliation with the Jewish people? I think the Holocaust occured before that and Germany wanted to prove that they were moving forward and that they werent ...
February 28, 2010

careers
What part of food science does the career of sous chef fall under? Options: preparation, utilization, evaluation,production I was thinking preparation because you're a chef but sous chef also make menus so what would that go under?
February 21, 2010

Careers
Thanks a bunch! :D
February 21, 2010

Careers
How has the job of a sous chef changed over time? I'm not too sure about this. Sous chef has always worked for the head chef and has always done what the head chef has told him/her to do.
February 21, 2010

psychology of health
Has specialized medicine made a positive impact on the quality of patient health care delivery?
January 25, 2010

Math-linear programming
The Furniture Co has two plants. The Eastside one makes Table and Chairs for school classrooms and the Westside one makes Desks and Computer Workstations. (See tables attached in excel). The Furniture Co is considering combining operations of both plants into a single one. ...
December 28, 2009

Bio
I think the word is bioaccumalation
December 9, 2009

Bio
A lot of livestock is being given growth stimulating hormones. How does this affect humans that are eating this livestock? I dont remember what the word is but I remember that with presticides that they remain in the body and they biosomething so theres more of it as we move ...
December 9, 2009

Bio
If you dont have a functioning corpus luteum, does that mean no ovulation takes place?
December 9, 2009

Biology
I forgot to mention that one person was diabetic and the other was not. Is the body mass still not important ?
December 8, 2009

Biology
Thanks
December 8, 2009

Biology
I have this chart that states the blood sugar levels of 2 individuals. Why is it important that the two people have the same mass?
December 8, 2009

Bio
What do insulin injections do for people with diabetes?
December 8, 2009

English
Thank you.
December 6, 2009

English
Do these words mean the exact same thing? Sexism, Chauvinism
December 6, 2009

Careers
What are registered nurses required to do? Everyone is saying it is intense labour work. Thanks :)
December 1, 2009

Careers
Would I get a job right away with human resources or is it a struggle to get a job? As well, whats the average salary?
November 30, 2009

Careers
Thank you :D
November 30, 2009

Careers
Are there any careers where business and social sciences overlap? I can't decide between what I wanna do. I enjoy both.
November 30, 2009

MLA FORMAT
Thank you very much :)
November 25, 2009

MLA FORMAT
There is apparently a new way of writing a bibliography in MLA format. I google searched and I'm not sure which is new and which is old. Could someone provide an example of how I would write the bibliography of a novel? Thank you
November 25, 2009

Math
The graph of the cosine function is the same as the graph of the sine function but translated: a) 90 degrees to the right b) 90 degrees to the left c) 180 degrees to the right d) 180 degrees to the left I was thinking it could a) and b) but there can only be one answer. Could ...
November 18, 2009

Thomas Malthus
Thanks :D
November 15, 2009

Thomas Malthus
Thanks a bunch bobpursley :D
November 15, 2009

Thomas Malthus
Thank you Ms. Sue. The question also asked about Earth's history. So I'm thinking that is about how the Earth was formed and such. Malthus didn't make an references to that either so I would say the same about that as well?
November 15, 2009

Thomas Malthus
In the assignment I'm doing, there's a question that asks for whether Thomas Malthus believed in evolution or not. I don't know what to say considering he never made any direct references to it. I know he was a Reverend so I'm thinking he believed in ...
November 15, 2009

Thomas Malthus
Thanks a bunch Ms. Sue :D
November 15, 2009

Thomas Malthus
Thank you bobpursley :) I have another question if you don't mind answering it. In his essay, did he say anything about how the Earth came to be and anything on evolution? I read through what you sent and several other sources and I don't recall him making any ...
November 15, 2009

Thomas Malthus
Thanks :D
November 15, 2009

Thomas Malthus
Thomas Malthus was a clergyman so is it safe to say that he did not believe in anything opposing the bible? Is it safe to say that as a firm believer in faith, he was certain that God created the Earth and the life on it? What can i say about Malthus's views on the Earth&#...
November 15, 2009

ENGLISH
In the Handmaid's Tale by Margret Atwood, does the Handmaid system actually repopulate the state?
November 12, 2009

Math
Conner estimated that the radius of one of the circles on the playground was 2 yards. If Conner was correct then: a. the radius was how many feet? b. the diameter was how many feet? Thanks!
November 5, 2009

careers
Thanks :D
November 4, 2009

careers
what jobs have a starting salary atleast (or around) 50,000 and have a high employment rate. I know nursing is one. Are there others that aren't in the medical field?
November 4, 2009

Math
Thank you very much for your help. everything makes sense and I got 100% on my answer.
October 16, 2009

Biology
I think what we did was called the Hill Reaction
October 2, 2009

Biology
We did a lab with a spectrometer and we had curvettes with chloroplasts, phosphate buffer,water a DCPIP. And a light was shone through. Then we got the data for light absorbed. What does that mean? Like the higher the percentage of light absorbed, the more the DCPIP got reduced?
October 2, 2009

Biology
Are chlorplasts necessary for the reduction of DCPIP? why or why not? and is light necessary for the reduction of DCPIP? why or why not? I
October 2, 2009

English
"Some, when they take revenge, are desirous the party should know whence it cometh. This is more generous. For the delight seemth to be not so much in doing the hurt in making the party repent. But base and craft cowrds are like the arrow that flieth in the darl" ...
October 2, 2009

Bio
Is going from fructose 6-phosphate to fructose 1,6-bisphosphate, phosphorolation?
October 1, 2009

Bio
why is energy absorbed twice in the light reactions in photosynthesis
September 30, 2009

The Excavation : By Augusto Roa Bastos
I read this short story and I understand it pretty much but there are some things Im confused about. Were all the people in Cell 5 murdered by machine gun fire? Did Perucho Rodi escape from Cell 4 and avoid getting caught as one of the people involved? Was Perucho Rodi the one...
September 26, 2009

Science
When we look at a leaf, we see the colors of light that are reflected off its surface. How does this explain there relatively low flow of oxygen in green light?
September 24, 2009

Science
When we look at a leaf, we see the colors of light that are reflected off its surface. How does this explain there relatively low flow of oxygen in green light?
September 24, 2009

english
Thanks :D
September 23, 2009

english
It is quite alone, standing well back from the road, quite three miles from the village… It makes me think of English places that you read about, for there are hedges and walls and gates that lock…For the windows are barred for little children and there are rings and...
September 23, 2009

English
Thank you :D
September 23, 2009

English
Men would carry out an ideological prison that subjected and silenced women. What does that mean?
September 23, 2009

English
Thank you :)
September 23, 2009

English
Is it wrong to start your intro with the name of the media text. For example: "The Secret Life of Walter Mitty," byt James Thurber is a ....
September 23, 2009

physics
how does a magnify glass create a virtual image?
September 21, 2009

Chem
Why are electrons paired in orbits?
September 21, 2009

Math
(9x)^1/2 (8x)^1/3 would the 1/2 be distributed to the 9 and the x or is 9x one term and the 1/2 is given to the whole term? thanks :)
September 16, 2009

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