what is the factor that changes in a controlled experiment

# what is the factor that changes in a controlled experiment

• MATH

How can you use the y-intercept and growth factor to write an equation that represents an…

Hello! Exponential growth function has a form  where A is the initial value and r is the growth rate. If we substitute x=0 we obtain  Recall that y-intercept is the…

• HISTORY

What was Donatello known for and what was his most famous piece of artwork?

Donato di Niccolò di Betto Bardi, or Donatello, was born in Florence in 1366 and died there in 1466. He is remembered as one of the finest sculptors of his era, known as the Renaissance. During…

• HAMLET

In Shakespeare’s Hamlet, how does the ghost want Hamlet to treat Claudius and Gertrude?

In Shakespeare’s Hamlet, the Ghost has two very different desires in mind when it comes to how his son Hamlet will avenge Old Hamlet’s murder. It is in the fifth scene of Act One that Old Hamlet…

• SOCIAL SCIENCES

What is the definition of economics?

There are a number of different ways to define economics. Of course, they are all very similar, but with different exact wordings. Let us look at two. The link below says that economics a social…

• SCIENCE

What are the necessary factors to measure monthly average temperature?

In order to calculate monthly average temperature (Jan, Feb, Mar, etc…), you will need the following: A defined area or region for which you can monitor temperature. This area or region is best…

• OF MICE AND MEN

What are 5 facts about George and Lennie’s past?

Just prior to the opening scene, George and Lennie had to leave the previous town because Lennie stroked a girl’s soft dress (because it was soft, and he likes soft things), and when he petted too…

• THE CAY

What does Timothy do for Phillip in The Cay by Theodore Taylor?

In The Cay by Theodore Taylor, Timothy did many things for young Philip. First of all, he saved Philip’s life. As Philip and his mother were getting into a lifeboat after their ship was torpedoed,…

• LORD OF THE FLIES

What is the significance of the “snake thing” or “beastie?”

When the boy with the mulberry-colored birthmark steps forward under pressure from some of the other little boys, he tells a story about seeing a “snake-thing” that he saw the previous night in the…

• TO KILL A MOCKINGBIRD

What do other characters say or think about Atticus Finch?-“To Kill a Mockingbird”

The characters in To Kill a Mockingbird have various opinions about Atticus. Let me give a sample. First, if you ask his children, at the beginning of the book, they would say that there was…

• MONSTER

In the novel Monster, how does Steve define truth?

During a scene in which two inmates are discussing their legal situations, one of the inmates comments that he doesn’t know what the prosecutor expects him to tell her when the truth will send him…

• HISTORY

For what were buffalo bones used?

The buffalo was of great importance to the Plains Indians before being decimated by early Americans. Every part of the buffalo was utilized to make everyday items. The bones of the buffalo were…

• HAMLET

Why do you think Shakespeare left Horatio alone at the end of Hamlet while everyone died? What…

Near the end of Hamlet as Hamlet is dying he asks Horatio to tell his story. Horatio does so when Fortinbras enters with his army. Horatio stands apart from the other characters in Hamlet in…

• SOCIAL SCIENCES

What are the key features of sociological thinking, according to Bauman?

Zygmunt Bauman is a leading sociologist who has studied and written dozens of books on a host of subjects for decades. In his 2001 book entitled Thinking Sociologically, Bauman describes…

• SCIENCE

Hello! We know Newtons Second Law:  This equation is a vector one, but here it is sufficient to consider its projection on a horizontal line. The gravity force and the normal force are…

• SCIENCE

What is the percent composition for oxygen in air?

Our air is a mixture of gases and contains various gases of use to us. The major constituents of our air are nitrogen and oxygen. While the nitrogen constitutes almost 78% (78.084% to be precise)…

• SCIENCE

What are three ways turning grain into flour, bread, etc. affects the environment?

As the world’s population increases, so does the need for increased food production. Wheat, rice, and corn are the three largest crops that are grown around the world. However, increased…

• TUCK EVERLASTING

Explain why the reader is a little uneasy about the stranger in Tuck Everlasting.

The reader is uneasy about the stranger for a variety of reasons. First, he is described as a stranger. From early childhood, people are taught to be wary and cautious of strangers. The next…

• HALF A DAY

What is meant when the narrator of “Half a Day” says, “there was no question of ever returning to…

The title of Naguib Mahfouz’s short story “Half a Day” is meant as a comment on the relative brevity of human life. When the story opens, a young boy is reluctantly going off to his first day of…

• SCIENCE

How’s cheese made in basic steps?

Well, first you start with milk. Cheese is a dairy product, you know. The milk is inspected for quality, then heated to kill harmful bacteria. Then, a starter culture of bacteria is added; this…

The author probably expects the reader to identify with the protagonist, even though Montresor is a murderer and a little bit insane. We identify with a character if we are in his point of view and…

• THE CRUCIBLE

To what is Parris alluding when he says to Abigail, “If you trafficked with spirits in the…

At the beginning of Act One, Reverend Parris and Abigail are alone with Betty Parris in Betty’s bedroom. Her eyes are closed, and she is unable to wake up. Just the night before, Parris says that…

• REFERENCE

In My Side of the Mountain by Jean Craighead George, what did Sam make from acorn flour and water?

Sam Gribley teaches himself how to live off the land in the Catskill Mountains. Because he doesn’t have access to store-bought flour made of wheat or corn, he makes it from acorns, with some ash…

• SCIENCE

A 600-N box pushed up a ramp that is 2 m high and 5 m long. The person pushing the box exerts a…

Hello! The efficiency of a ramp is computed using the notion of mecanical work. It is force multiplied by the displacement, if force and displacement has the same directions.  Our goal is…

• HARRISON BERGERON

What would be the possible effects of removing competition from sports, business, and education?…

Some of the effects of removing competition from business are easily visible in today’s business world. Take for example cable TV in most major markets in the United States. Because of the way…

• REFERENCE

In My Side of the Mountain by Jeane George, where does Sam soak his deerskin?

In Chapter 10, “How a Door Came to Me,” Sam gets a “gift” of a dead deer that a poacher kills and doesn’t find. Sam wants to tan the hide in order to make a door for his tree-house. At…

• BLUES AIN’T NO MOCKINGBIRD

What is one example of direct and indirect characterization for the Granny and Granddaddy in…

In Toni Cade Bambara’s short story “Blues Ain’t No Mockingbird” she provides insight into the character traits of Granddaddy and Granny through direct descriptions and through their…

• THE GREAT GATSBY

How does Nick describe Gatsby in Chapter One?

Nick begins the chapter by saying he tries not to judge people. However, he adds that this honest and tolerant approach does have its limitations. When he returns to the Midwest, he says he longed…

• THE OUTSIDERS

In the novel The Outsiders, how did society view and treat the two gangs differently?

Throughout the novel The Outsiders, society views the Soc gang more favorably than the Greasers. Unlike the Greasers, the Socs come from wealthy families and are given certain privileges. The…

• THE MASQUE OF THE RED DEATH

In “Masque of the Red Death”, what has the Prince’s death revealed about the unwanted guest?

Before the death of the prince, the masked figure was already described as the Red Death. Poe says that he looks like a corpse: stiff, pale, and gaunt; that he is dressed in clothes that are worn…

• HISTORY

What was Abraham Lincoln’s exact height and weight?

Abraham Lincoln, the 16th president of the United States, is known throughout history not just for the challenges of his presidency but also for his height and weight and the many amusing stories…

• SCIENCE

How do gases enter the root system of a plant?

The root system of a plant provides anchorage into its substrate–(soil) but it is also responsible for absorption of water and specific nutrients necessary for plant growth. Roots may have extra…

• THAT WAS THEN, THIS IS NOW

In the novel That Was Then, This Is Now, why did Bryon not like the police?

While Bryon and Mark are visiting their mother at the hospital, Bryon heads down to the snack bar to avoid talking to the young boy laying in the next room. As Bryon reads over the menu, he…

• THE INTERLOPERS

How does the setting in “The Interlopers” affect the outcome?

The setting in the short story, “The Interlopers,” is the perfect setting for the outcome. In the beginning of the story, we read of the conflict between two families and the two men at the head…

• SCIENCE

How is pygeum prepared from the P. africana bark?

Pygeum is a treatment for benign prostatic hypertrophy (BPH). In other words, this is a treatment for prostate gland hypertrophy (increase in cells or cell size) that is not cancerous. BPH can…

• SCIENCE

What are the political consequences and effects of 47 XYY?

Humans have a total of 46 chromosomes. 23 chromosomes come from each parent. There are 23 homologous chromosomes. Males contain an XY pair, whereas females contain an XX pair. 47,XYY is a condition…

• WASHINGTON SQUARE

How does Washington Square by Henry James relate to business in America?

To put your question into context, we will first briefly discuss the rise of American industrialization. The Industrial Revolution saw its emergence in America in the 19th Century. Prior to the…

• MATH

The school principal visits Ashton’s class one day. The principal asks Ashton to show her what…

The question is based on the similarity of triangles. In similar triangles ratio of the corresponding sides is same. So let’s find the scale factor Scale factor=2/1.5 = 1.33 So,…

• HAMLET

In both The Piano Lesson and Hamlet the authors use a ghost as a dramatic device for several…

In both Shakespeare’s play Hamlet and August Wilson’s play The Piano Lesson, the ghosts in the stories serve to develop the theme of being released from the past.In Hamlet, the ghost of Hamlet’s…

• TO KILL A MOCKINGBIRD

What are characteristics or qualities of Dill in To Kill a Mockingbird?

When Dill comes to Maycomb at the beginning of the novel, he is eager to please and make friends. He tells tall tales and brags about his life when he says he has seen Dracula and is only seven…

• LAW AND POLITICS

Where was the quote “an unjust law is no law at all” first spoken or written?

The phrase “an unjust law is no law at all” is attributed to St. Augustine. St. Augustine was an early Christian theologian who lived between 354 CE and 430 CE. The phrase is associated with…

• SCIENCE

State how the following can be made possible? DNA carries hereditary information for the…

DNA stands for deoxyribonucleic acid. Within one strand of DNA, one finds the genetic code that is used to synthesize proteins found within both plants and animals. This code allows for the…

• A STUDY IN SCARLET

Please speak to the themes of violence and transgression in “A Study in Scarlet.”

A Study In Scarlet is certainly a tale of violence and transgression. This story introduces the world to Arthur Conan Doyle’s enigmatic sleuth, Sherlock Holmes, at once a pioneer of innovative,…

• SCIENCE

How are cells and viruses alike?

Cells and viruses are alike in several categorical as well as conceptual ways; meaning, they can be considered in terms of “have/have-not” components and properties, as well as ways that they…

• THE WHITE MAN’S BURDEN

How are natives portrayed in Kipling’s poem “The White Man’s Burden?”

Natives are portrayed in a very negative way in Rudyard Kipling’s poem “The White Man’s Burden.” They are irresponsible and foolish. They are lazy. The may be evil. They are resentful…

• LITERATURE

How can I argue whether or not “She’s Leaving Home” by John Lennon and Paul McCartney can be…

This is not a cut and dried question, I’m afraid. Scholars disagree (passionately) on what constitutes a True Traditional Ballad. The general consensus is that they are folk songs, and are orally…

• SCIENCE

what is the factor that changes in a controlled experiment

The factor that changes in a controlled experiment is known as the variable, more specifically, it is the independent variable. In any controlled experiment, as per the scientific method, we only…

• SCIENCE

Why is the frequency of induced mutation higher than spontaneous mutation?

Mutations are an interruption in the normal DNA sequence within an organism’s genome. Mutations have occurred naturally over millions of years of development within organisms as they progress…

• SCIENCE

A ________ is the one factor that changes in a controlled experiment

A variable is the factor that changes in a controlled experiment. The purpose of almost any experiment should be (or usually is) to determine if there is a relationship between two things, and if…

• HISTORY

Please explain how these beliefs can arise from the idea of Social Darwinism. 1. The rich are…

I assume that you are asking us to explain why Social Darwinism causes people to believe each of these things. If so, here are the answers. The rich are special—to be admired. According to…