What were some achievements of the Assyrians?
- SCIENCE
The reaction rate is nothing but a measure of how fast or slow a reaction proceeds. That is, how quickly do we get the products from a certain reaction. It is given as the rate of change of the…
1 educator answer
- SCIENCE
What are the applications of the reversibility of light?
Reversibility of light simply means that when the path of light rays is reversed they follow the same path as when they were incident. In simpler terms, light rays will retrace the same path when…
1 educator answer
- SCIENCE
What are the differences between gravity, motion, and force?
Gravity refers to the phenomena that causes all the bodies to attract one another. Thus is also the reason why we fall back to earth when we jump or why all the fruits fall down from plants. The…
1 educator answer
- SCIENCE
What is the difference between a liquid expansion and a solid expansion
The difference between solid and liquid expansion, on heating the matter, has to do with intermolecular forces binding these material together. For a solid material, the constituent molecules are…
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- SCIENCE
New cells are formed from preexisting cells through mitosis. Sexually reproducing organisms also create a type of cell, called a gamete, through meiosis. This phenomenon is one of the principles of…
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- SCIENCE
Is evaporation a reversible physical change? Explain
Evaporation is a reversible physical reaction. The reverse process is water condensing from the atmosphere onto a surface. Evaporation involves the change in state from liquid to gas. It’s not the…
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- SCIENCE
What are the uses of a thermometer?
Thermometers are used to measure temperature. Below is a list of some scenarios in which a thermometer might be used. – To measure the outdoor temperature. – To measure body temperature during a…
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- SCIENCE
what is the primary means through which the sun warms earth
Among the three mechanisms of heat transfer, sun uses radiation to heat the earth. There is no medium ( such as air or water) in space and hence the energy or heat can only be transferred through…
1 educator answer
- SCIENCE
Why do salts burn different colors?
Salts have different flame colors because the ions which they are composed of have different numbers of electrons occupying various energy levels. Some typical colors for salts containing the…
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- SCIENCE
Sugar is one of the main sources of what for cells?
Sugar is one of the sources of energy for cells. The sugar called glucose is made during the process of photosynthesis within the chloroplasts of plant cells. The chlorophyll (a green pigment)…
1 educator answer
- SCIENCE
what three things do most kinds of life need
All living things share several major characteristics. I use the acronym “MR. GOSEA” to remember the characteristics of life. M- Maintain homeostasis- All living things must keep an internal…
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- SCIENCE
If two forces act in opposite directions how do you find the magnitude and direction of their…
If two forces are acting in the opposite directions (180 degrees apart), the magnitude of resultant force would simply be the difference in the magnitude of the two forces. The direction of the…
1 educator answer
- SCIENCE
what are two examples of chemical properties?…
Chemical properties are those that describe a substance’s tendency to undergo a particular chemical reaction. They are usually just observable in the process of a chemical reaction, therefore a…
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- SCIENCE
Infer: If a scientist were able to measure the exact mass of carbon dioxide and water that…
The mass of carbon dioxide and water that enter a plant doesn’t equal the mass of sugar produced by the plant. The products of photosynthesis include both glucose (a sugar) and oxygen:
1 educator answer
- SCIENCE
A student carefully placed 15.6 g of sodium in a reactor supplied with excess quantity of…
The balanced chemical equation for this reaction can be written as: 2 Na + Cl2 -> 2 NaCl That is, 2 moles of sodium reacts with 1 mole of chlorine gas to generate 2 moles of sodium chloride. The…
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- SCIENCE
How might reduced enzyme function lead to disease?
When there is a mutation in a gene that produces an enzyme, it can cause disease. Phenylketonuria or PKU is a rare inherited disorder that causes the build up of phenylalanine. This can lead to…
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- SCIENCE
How does the acceleration of a cart depend on the total mass if the net force is constant?
The answer above is correct: if the force is constant, the mass is inversely proportional to the acceleration. So if the mass increases, the acceleration decreases, and vice versa. This comes from…
1 educator answer
- SCIENCE
What term describes an ongoing series of fission reactions?
An ongoing series of fission reactions is called “chain reaction”. A fission is a nuclear reaction in which a nucleus of a heavy element breaks up into several nuclei of lighter elements, releasing…
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- TO KILL A MOCKINGBIRD
How would you analyze Mayella Ewell’s testimony in To Kill a Mockingbird?
When Mayella takes the stand, she immediately indicates that she is afraid of Atticus. Though he is simply cross-examining her, she is threatened by him and perhaps this is due to her feelings of…
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- HISTORY
Who was at fault for the Boston massacre?
There are several groups at fault for the Boston Massacre. Each group shared in the responsibility for what happened on the night of March 5, 1770. The British government was at fault for sending…
2 educator answers
- HISTORY
Captain John Smith was a famous explorer who was born in England in 1580. He rose to prominence in 1608 when he became the president of the Jamestown colony, the first English settlement in…
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- THE ODYSSEY
What signs were sent by Zeus as omens signaling to Odysseus before the test of the bow that his…
Prior to the assault on the suitors, Odysseus harbors doubts that he and Telemachus will have the fortitude to slay such a great multitude of men. He asks Zeus to send him a good omen, and the god…
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- THE CASK OF AMONTILLADO
How do the mood and tone convey the theme of revenge in the story “The Cask of Amontillado”?
The mood of this story is very ominous indeed, ominous and suspenseful. Montresor makes no bones about the fact that he was planning revenge: a murder in which the victim would know, without…
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- IF I FORGET THEE, O EARTH . . .
Why are the people of the colony unable to return to Earth in “If I Forget Thee, Oh Earth”?
The people in the short story “If I Forget Thee, O Earth” are unable to return to the Earth because it has been devastated by a nuclear war. This is stated rather clearly in the story. This…
1 educator answer
- HISTORY
Differentiate between historical and present conditions of women.
Much has changed about the lives of women throughout history. Historically, women’s roles had been as wives and mothers. Women had limited career options if they did choose to work. Women could…
1 educator answer
- HISTORY
How did the American Revolution affect other countries?
The American Revolution had an impact on other countries. The American Revolution served as a model for other countries to follow when they decided to become free from their colonial rulers….
2 educator answers
- HISTORY
Who was the first president that died?
If you are asking which United States president was the first to die at all, the answer is George Washington. He was, of course, the first president and was also the first to die. Washington was…
1 educator answer
- HISTORY
How did Congress struggle between peace and war with Britain?
Congress struggled with the idea of going to war against Great Britain or maintaining peace with them. There were reasons for supporting both ideas. The Federalists wanted us to have a good…
1 educator answer
- HISTORY
What were the results of the Sharpeville massacre?
On March 21, 1960, a group of over one hundred policemen in Sharpeville fired on a large group of black South African protesters. The immediate result of this action was the deaths of 69…
1 educator answer
- HISTORY
What were some similarities between Jamestown and the lost colony?
The lost colony of Roanoke and the Jamestown colony were the two first attempts at English settlement in America. Though Roanoke failed and Jamestown flourished, there are some similarities between…
2 educator answers
- HISTORY
Who argued for the Bill of Rights to be added to the Constitution?
The Antifederalists wanted a Bill of Rights added to the Constitution. There was significant concern among the Antifederalists that the Constitution didn’t protect the rights of individuals. Once…
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- HISTORY
What would the United States be like today if Europeans had not conquered and colonized the…
In history, the question of “what if” is always an interesting one, and one open to debate. It is interesting to ponder what the Americas would be like if the Europeans didn’t conquer and…
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- HISTORY
Why were the Articles of Confederation not fixable?
The Articles of Confederation could not be fixed (in the minds of the men who gathered at the Constitutional Convention in 1787) because they simply did not have a strong enough federal government…
1 educator answer
- HISTORY
Why was the interdict an effective political weapon for Pope Innocent III?
An interdict is a prohibition of religious services and rites, in which only baptisms and last rites are allowed to be performed. Pope Innocent III threatened European rulers with an interdict on…
1 educator answer
- HISTORY
What two larger alliances took shape before the beginning of WWI?
There were two main alliances in Europe before the beginning of World War I. These alliances became the nuclei of the two opposing sides in that war. The first of these alliances was known as the…
1 educator answer
- HISTORY
What sea lies to the east of the Balkan Peninsula?
The Aegean Sea lies to the east of the Balkan Peninsula. A peninsula is a piece of land surrounded by water on three sides. The Balkan Peninsula is surrounded by the Mediterranean Sea, the Sea of…
1 educator answer
- HISTORY
The Sugar Act was passed in 1764. It was a law that lowered taxes on molasses. The British were concerned that the colonists were smuggling molasses. To discourage this from continuing, this law…
1 educator answer
- HISTORY
What were some achievements of the Assyrians?
The Assyrians were very accomplished in the areas of military and urban infrastructure. On the military front, they were able to conquer the entirety of Mesopotamia and were the first to use iron…
2 educator answers
- HISTORY
The term “spice trade” refers to a long history of trade that existed between Northeast Africa, Asia and Europe for thousands of years. It began as early as 3000 BC, as evidence has been found in…
1 educator answer
- SCIENCE
if you mixed carbon dioxide and water in a test tube and placed the test tube in the sunlight…
Photosynthesis is the process in which plants use carbon dioxide and water, in the presence of sun light, to make food. If we mix carbon dioxide and water in a test tube and kept it in the…
1 educator answer
- SCIENCE
A Rabbit runs at a velocity of 8.3 m/s for 2.0 minutes. What distance, in meters, does the rabbit…
Hello! When we know the (constant) speed V of something and the time T of its travel, the distance travelled is V*T. Of course we have to consider units of measure in which these quantities are…
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- THE GREAT GATSBY
In The Great Gatsby, according to Catherine what do Myrtle and Tom have in common?
In The Great Gatsby, Catherine says both Tom and Myrtle want to divorce their spouses. According to Catherine, neither Tom nor Myrtle “can stand the person they’re married to” and “If I was them…
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- THE BLACK CAT
How would you describe the man’s personality in “The Black Cat” at the beginning of the story…
As the narrator describes, from his very youngest years he was extremely tender and thoughtful towards other people. He noted that he was such a kind-hearted and gentle soul that his boyhood…
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- THE GIVER
In The Giver is it true that if you don’t fit with the community you can apply to leave? Or is it…
This statement is true. In The Giver, a member of the community who does not like it there and who does not fit in can apply to leave. Of course, we later find out that a person who does this…
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- THE NECKLACE
Where and when does the short story “The Necklace” take place?
Guy de Maupassant’s short story the “The Necklace” is set in Paris during the 1800s. The story opens in Madame Loisel’s lower middle class flat where she daydreams of a more aristocratic…
2 educator answers
- THE SCARLET LETTER
What reasons prove that Reverend Arthur Dimmesdale is the “biggest sinner” in Nathaniel…
Arthur Dimmesdale is just as guilty as many other Puritans for leading a life where he could pick and choose which mandates to follow, and which not to follow. The problem is that a man as…
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- NIGHT
In Night, how do other inmates treat the father after he comes down with dysentery?
By the time they reach the gate of Buchenwald, the prisoners have so long become inured to the slow death that is their lives, they have begun to focus desperately on staying alive and looking out…
1 educator answer
- THE ADVENTURES OF HUCKLEBERRY FINN
What does Huck like about living with the widow and what does he dislike in The Adventures of…
Huck comes to stay with the Widow Douglas shortly after the end of the novel The Adventures of Tom Sawyer, and begins The Adventures of Huckleberry Finn with her as well. Huck and Tom find gold in…
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- HAMLET
How can the landscape in Act 1 Scene 1 of Shakespeare’s Hamlet be seen as Apollonian?
The term Apollonian was developed by Friedrich Nietzshe, along with its opposite term Dionynisian, to analyze art, especially Greek tragedy. The term is named after the Greek god Apollo, who is…
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- NIGHT
“We realized that we were not going to stay in Hungary. Our eyes opened. Too late.” This quote…
This quote from Elie Wiesel’s Night foreshadows the deportation of Elie’s family by the Gestapo. Before this quote occurs in the memoir, Elie is not completely ignorant of the Holocaust. He is…
1 educator answer