What products can beta particles and photon emitters be found in?

What products can beta particles and photon emitters be found in?

  • HISTORY

How did Herbert Spencer hijack Charles Darwin’s theory of evolution and natural selection?

Charles Darwin and Herbert Spencer were contemporaries and among the most respected scientists of their era. Darwin’s theory of evolution proposed that species change over time by adapting to…

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  • TWO KINDS

How is Jing-Mei’s identity impacted by her mother’s expectations in “Two Kinds”?

Jing-Mei’s identity is formed by her mother’s expectations in Amy Tan’s story “Two Kinds.” Jing-Mei’s mother, Suyuan, leaves her life in China and moves to America, hoping to obliterate…

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  • LYDDIE

How does Lyddie find the value of reading in Lyddie?

Diana and Betsy teach Lyddie how to read with Oliver Twist. Lyddie has very little education, but that doesn’t mean she doesn’t want one. She had to stop going to school when her father left…

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  • SCIENCE

How strong would I have to be to be able to pull a syringe that’s been pushed all the way to…

The plunger of a 60 mL syringe has been pushed all the way through to expel any air and its end has been sealed. The plunger now has to be pulled down to the 60 ml mark. The syringe is at sea level…

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  • THE EAGLE

“The Eagle” is not only a description of the appearance of the bird.” Do you agree?

In the first line, the speaker describes the eagle standing on a rock. The rock is a crag which is an uneven rock. His “hands” are crooked. The repetition of the “c” sound signifies the tough life…

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  • TO KILL A MOCKINGBIRD

What are the implications of this sentence: “If he held his mouth right, Mr. Cunningham could…

If Mr. Walter Cunningham would vote for politicians in favor of social programs such as the Works Progress Administration (WPA) and comply in other ways (“hold his mouth right”), he could get a job…

2 educator answers

  • WHITE FANG

What did White Fang call the tepees in the Indian camp in White Fang?

After living the first months of his life in the wild, White Fang is exposed to humans and the way they live when he is found by a group of men. This learning process has a profound effect on the…

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  • HISTORY

What is the significance of the key songs and key scenes in the movie Good Morning, Vietnam? Why…

Good Morning, Vietnam is a 1987 movie in which Robin Williams plays Armed Forces Radio Service DJ Adrian Cronauer in Saigon, Vietnam in 1965. Key scenes involve Williams’s improvised on-air…

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  • THE MAN WITH THE HOE

What two classes of people are mentioned in “The Man with the Hoe”?

“The Man with the Hoe” deals with the conflict between the working class and the ruling, moneyed class, the “masters, lords and rulers in all lands” (line 31). Markham provides a very strong…

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  • THE VELDT

What is the connection between technology and nature in the Veldt?

The influence of technology on society and social relations is a common theme in many of Bradbury’s works. Although Bradbury didn’t necessarily dislike technology, he was concerned that technology…

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  • THE LUCK OF ROARING CAMP

What parts of “The Luck of Roaring Camp” show realism?

Some characteristics of Realism in literature are that the characters resemble ordinary people in ordinary circumstances, the characters often meet unhappy ends, the dialogue resembles ordinary…

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  • SCIENCE

Why do leaves turn color in the fall?

Depending on where you live in the world, the final months of the year may bring cooler temperatures, shorter days, and bright autumn leaves. It is precisely these cooler temperatures and the…

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  • TO KILL A MOCKINGBIRD

In Lee’s To Kill a Mockingbird, does Atticus view Mr. Cunningham as a good or bad person?

Despite the fact that Walter Cunningham led the Old Sarum bunch to Maycomb’s jailhouse in order to harm Tom Robinson, Atticus tells his children that Walter is still their friend. Atticus says,…

2 educator answers

  • TO KILL A MOCKINGBIRD

What effect does Scout have on events at the jail in To Kill a Mockingbird?

Tom Robinson is sent to Maycomb’s jail prior to his trial. Atticus is worried about him, so he keeps watch one night outside of the jail. Scout, Jem, and Dill sneak out to spy on Atticus. They want…

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  • CHEMISTRY

When carbon monoxide combines with oxygen, what is produced?

Carbon monoxide reacts with oxygen gas to produce carbon dioxide according to the following equation: 2CO+O2→2CO22CO+O2→2CO2 At room temperature this reaction must be catalyzed. Carbon monoxide…

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  • ISLAND OF THE BLUE DOLPHINS

In Island of the Blue Dolphins, Karana considers her sister, Ulape, vain. What two statements of…

In Chapter 4, as Captain Orlov is opening up the black chest, Karana tells us that Ulape “drew in her breath in excitement” to see the sparkly necklaces. This is the first clue we get about Ulape’s…

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  • HISTORY

What were the reasons people wanted to invent new ways of doing things during the industrial…

The industrial revolution marked an era of inventions and mechanizations in multiple areas of the economy. The Industrial Revolution began in Britain. Iron ore and coal were readily available to…

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  • LITERATURE

Fill in the blank with either ‘do’ or ‘does’: “Costa Rica, one of the few countries in the world…

You are right that this is a question about subject/verb agreement, but we are dealing with multiple clauses. For our purposes, we are only interested in the appositive clause, “one of the few…

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  • HISTORY

What have Americans done to change the world?

Americans have done many things to change the world. One thing Americans have done is to explore space. We were the first to land an astronaut on the moon. We have conducted many scientific…

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  • JULIE OF THE WOLVES

How does color play an important role in Part 2 of Julie of the Wolves?

This is a very interesting question because it has to do with the differences between the places where the young Julie is living: the seal camp near the Alaskan village of Mekoryuk, her aunt’s…

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  • THE GREAT GATSBY

How is “modern love” defined in Chapter 2 of The Great Gatsby?

Love, and what it means to be “in love,” is a major theme in Gatsby. Gatsby’s passion for Daisy, a kind of romanticized, idealized love is contrasted in Chapter 2 with Tom’s “love” for Myrtle. If…

1 educator answer

  • HISTORY

How did Christopher Columbus impact North America’s culture, demographics, religion, and…

We tend to overestimate the importance of Christopher Columbus as an individual. Columbus himself had very little impact on any of the things you mention in your question. He was merely the first…

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  • LORD OF THE FLIES

Why does Roger aim to miss when he throws stones at Henry?

In Chapter 4, several of the littluns are playing peacefully on the beach when Roger and Maurice, who had just been relieved from fire duty, run through their sandcastles and destroy them. Henry,…

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  • SCIENCE

Where did most of the oxygen in our atmosphere come from?

Fossil studies indicate that the Earth’s early atmosphere had very little oxygen compared to its current composition; this oxygen had to “come from” somewhere. Possibilities include it being…

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  • MACBETH

Please explain this quote from Macbeth: “The service and the loyalty I owe, / In doing it, pays…

King Duncan has bestowed upon Macbeth the title Thane of Cawdor, in addition to the title he already has, as a reward for his bravery and loyal service to the crown during the battles against the…

3 educator answers

  • HISTORY

The House of Representatives is capped at 435, or several hundred thousand people per…

The Framers believed that in order for a government to be truly answerable to its constituents, it needed to make its representatives easily accessible to the people who voted them in and out of…

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  • SCIENCE

A Rocket fired vertically burns its fuel for 25 seconds, which provides a thrust producing a…

Denote the first 25 seconds as t1t1 and the acceleration during this time as a.a. Then the height is H1(t)=at22H1(t)=at22 and the speed is V1(t)=at.V1(t)=at.So the final speed after fuel is burnt…

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  • TO KILL A MOCKINGBIRD

Who is telling the story of To Kill a Mockingbird?

An adult Jean Louise (Scout) Finch is telling the story. Scout, or Jean Louise Finch, is going into first grade when the events of the story start. The narrator is an adult version of Scout,…

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  • TO KILL A MOCKINGBIRD

What does Mrs. Dubose say to Jem that upsets him? Why does Scout think this is worse than other…

The children have to pass Mrs. Dubose’s house when they walk to the center of town, the store, or the courthouse. As Jem and Scout are headed to the store one day to buy her a baton, Mrs. Dubose…

2 educator answers

  • HISTORY

How did World War II affect decolonization?

Decolonization, or the disintegration of the European and American empires, began long before World War II. During the early 20th century, ideas about nationalism and freedom reached developing…

1 educator answer

  • HISTORY

What is the significance of the key songs and key scenes in Good Morning Vietnam? Why were they…

There is a historical and thematic significance to the songs selected in Good Morning, Vietnam. Given how Cronauer is depicted, the use of Rock and Roll music is historically significant. Set in…

1 educator answer

  • JULIUS CAESAR

Does Mark Antony have any internal conflicts in Julius Caesar?

Mark Antony’s internal conflict is his struggle with himself over how to avenge Caesar’s death and work with Octavius. An internal conflict is a character vs. self struggle. It is usually a…

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  • THE GIVER

Which rules from The Giver would be useful to incorporate into a perfect society?

Rules regarding housing and feeding the population are useful. It is actually very hard to cherry-pick rules from the community that we might like for our perfect world. It is more of a package…

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  • A DOLL’S HOUSE

In interrogating Nora in Act 1, Helmer reveals his assessment that A. Nora is a complex…

A Doll’s House by Henrik Ibsen reveals the disparity between outward appearances in the Helmer household and the dysfunctional relationship between Torvald and Nora. “Little spendthrift” is one of…

1 educator answer

  • JULIUS CAESAR

In Julius Caesar, does Caesar seem to be aware that something is not right at the senate?

Caesar is clearly uneasy at the beginning of the play, as illustrated by his remarks to Antony when he calls to him: Let me have men about me that are fat;Sleek-headed men and such as sleep o’…

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  • UNWIND

How did Lev change from the beginning of the book to the end?

The most obvious way that Lev changed from the beginning of the story to the end of the story is in what he is called. In the beginning of the story, Lev is a “tithe.” This means that he is…

1 educator answer

  • MANIAC MAGEE

Where did Maniac Magee sleep his first few nights in Two Mills?

Maniac slept in the deer pen at the Elmwood Park Zoo for the first few nights he was in Two Mills. Maniac ran away from home after his parents died and he was sent to live with an aunt and uncle…

1 educator answer

  • HISTORY

How does the Constitution reflect a compromise between the Federalists and the Anti-Federalists?

Following the signing of the Constitution and the Constitutional Convention, each of the states had to ratify the Constitution for it to become operative therein. The Federalists–a group who…

3 educator answers

  • NIGHT

In “Night” when is Eliezer first confronted with death?

Eliezer is confronted with brutality and death throughout his book Night. The first time he truly believes he will die and he sees death around him is right after the selection at Auschwitz. Elie…

2 educator answers

  • RAYMOND’S RUN

At the end of the story, what does Squeaky decide to do for Raymond? Why does she make this…

At the end of Toni Cade Bambara’s short story “Raymond’s Run” Squeaky has a moment of clarity in her life. After seeing how her brother, Raymond, keeps up with her while she runs May Day…

1 educator answer

  • HISTORY

What is “The Chief’s Annual Message” written by John Ross in 1831 all about?

The Chief’s Annual Message was written to the Cherokee Nation and was a challenge to the relocation of the Cherokee Indians from Georgia. The Cherokee had recently adopted a constitution with…

1 educator answer

  • HISTORY

What are two main accomplishments of Han society?

The Han Dynasty, starting around 250 BC and lasting about 400 years, is widely regarded as a “golden age” of China, especially compared to the Qin Dynasty that preceded it. Perhaps the most famous…

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  • THE MINISTER’S BLACK VEIL

What is the tone of “The Minister’s Black Veil”?

Tone, in literature, refers specifically to the author’s feelings about the subject of a text. We can typically use other aspects of the text — characterization, mood, theme, connotation — to…

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  • BURIED ONIONS

Did Angel steal Mr. Stiles’ truck in Buried Onions?

Gary Soto never explicitly answers this question nor does the reader ever find out if Angel killed Juan, as Norma suggests in the scene at her pool. It is all just “chisme” or gossip among those in…

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  • TUCK EVERLASTING

Why is Winnie Foster’s age better in the movie version of Tuck Everlasting than in the book?

In the book Tuck Everlasting by Natalie Babbitt, the main character, Winnie, is eleven years old. When the movie version of Tuck Everlasting was created, her age was raised to fifteen. While this…

1 educator answer

  • HISTORY

What steps did the Catholic Church take in Europe during medieval times to make ordinary people…

The Catholic Church in the middle ages benefitted from being the only institution with money and infrastructure left standing after the fall of the Roman Empire. Ordinary people lived short, brutal…

1 educator answer

  • THE ADVENTURE OF THE SPECKLED BAND

Why does Holmes want Helen to be precise about the details of her story about her sister’s death?

Sherlock Holmes always wants his clients to be precise as to the details of any problems or stories they tell him. But there is another reason for this and other interjections by the detective…

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  • THINGS FALL APART

In Things Fall Apart, Achebe gives his readers a Nigerian society in which names have different…

In the Igbo culture that Chinua Achebe presents in Things Fall Apart, names and the naming process are essential in imbuing a child with a sense of identity. Often, the name chosen for a child…

1 educator answer

  • TO KILL A MOCKINGBIRD

How does Atticus feel children’s questions should be answered in To Kill a Mockingbird?

Atticus says that children have to be answered directly when they ask adults a question. When Scout comes to Christmas, Uncle Jack tries to teach her a lesson and gets one from her. He doesn’t…

1 educator answer

  • SCIENCE

What products can beta particles and photon emitters be found in?

By using the terms “beta particles” and “photon emitters” we make these technologies sound very exotic and futuristic. But a beta particle is just an electron (or positron, which is an antimatter…

1 educator answer


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