Why do we perceive a mixture of cyan and magenta as purple under white light?

August 17, 2018 Educator

ANTHEM

The first page of Anthem begins, “It is a sin to write this.” Using textual evidence explain why…

Somewhere in the past, the society of Anthem went through a change due to a war between groups. One group was called the rebels, and their fight for independence from the collective society that…

1 educator answer

SCIENCE

What is the definition of a socket joint?

A socket joint is a joint in which one bone has a ball-shaped end and fits into the cup-like socket or indentation of the adjoining bone, allowing movement in most directions and providing greater…

1 educator answer

SCIENCE

What is an example of a chemical compound? And can you include how many of each type of atoms are…

A chemical compound contains atoms that are chemically bonded in a specific whole number ratio, and is described by a chemical formula. Some examples are: 1. Water, H2O, contains two hydrogen atoms…

1 educator answer

HISTORY

Who gained more power during the Age of Reason? the governed or government? explain

The Age of Enlightenment was an intellectual, political, and social revolution that began in Europe during the 17th Century. Prior to the Enlightenment, Europe had endured a period of religious…

THE WITCH OF BLACKBIRD POND

What are accurate historical events in Elizabeth George Speare’s The Witch of Blackbird Pond?

True historical events referenced in Elizabeth George Speare’s The Witch of Blackbird Pond concern the charter of the Connecticut colony.In Chapter 7, while engaged in a political quarrel with…

1 educator answer

OF MICE AND MEN

Why didn’t George give Lennie professional help?

The story takes place in the 1930s. Not much was known about psychiatry or psychology in those days. California was a much smaller state, population-wise. The total population was around…

1 educator answer

SCIENCE

what allows human beings to adapt to diverse physical environments?

Technology and higher intelligence enables human beings to adapt to diverse physical environments. Human beings inhabit environments as diverse as cold regions of Antarctica to extremely hot…

1 educator answer

ANTHEM

Why does Equality refer to himself as “we” in Anthem?

The society that Equality lives in is considered a dystopia because the individual rights of its people have been taken away. The society feels they are doing the right thing; however, by taking…

1 educator answer

THE CASK OF AMONTILLADO

What are some major steps of the plot in “The Cask of Amontillado”?

Many of the steps in the plot actually take place before the story begins, and are mentioned by Montresor as a means of explaining or justifying what is taking place during the height of the…

1 educator answer

LAW AND POLITICS

What were the five planks in the Republican platform in 2004?

The Republican platform for 2004 was “a safer world and a more hopeful America”. This platform was based on five pillar policies: Winning the War on TerrorThis included consolidating gains and…

1 educator answer

LAW AND POLITICS

Does Marshall believe that the Supreme Court has the authority to issue writs of mandamus that…

This question refers to the landmark Supreme Court case, Marbury v. Madison. In this case, Chief Justice John Marshall says that, in general, the Supreme Court does have the power to issue writs…

1 educator answer

LAW AND POLITICS

How does the EU pass new laws and regulations?

European Union laws and regulations are typically passed by a process known as the ordinary legislative procedure. In this procedure, the proposed law must be submitted by the European Commission….

1 educator answer

LAW AND POLITICS

What are the basic ideas of David Hume’s philosophy on law?

David Hume (1711-1776) was a Scottish philosopher who was known as an “empiricist.” Empiricists are philosophers who hold that all knowledge is “sense based,” meaning that it is in some way…

1 educator answer

HISTORY

How was H. H. Holmes able to exert such power over his victims?

The Chicago serial killer H. H. Holmes exerted power over his victims in a number of ways. First of all, he constructed a hotel (often called the “Murder Castle”) which had a very intricate design….

1 educator answer

SCIENCE

What are benefits and problems of creating power with wind power plants and nuclear power plants?

Wind power plants and nuclear power plants have their own pros and cons. Both wind power and nuclear power are clean sources of energy, as neither generates harmful gases (or gases of any kind)….

1 educator answer

BUSINESS

What were the advantages and disadvantages of the Industrial Revolution?

The Industrial revolution was the change in manufacturing processes that resulted in a revolution in production speed and cost in the late 1700s and early 1800s. The Industrial revolution resulted…

1 educator answer

SOCIAL SCIENCES

What changes in western society gave rise to the city?

Probably the most significant change in society that made cities possible was the spread of agriculture. The planting of crops meant that people would settle in one place to live, rather than live…

1 educator answer

SOCIAL SCIENCES

How have women’s lives changed in recent times, and how were they in the olden times?

Women’s lives have changed significantly over the past 100 years. 100 years ago, women probably would not have imagined their lives being the way they are today. In the early 20th century, women…

1 educator answer

SOCIAL SCIENCES

Do criminals lose their rights when they hurt people?

By law, convicted criminals, both incarcerated and not, lose some of their rights, depending on the severity of their convictions: felony vs misdemeanor. While still granted the right to a fair…

1 educator answer

BUSINESS

Why is production management different from other forms of management?

Production management, also called production and operations management, or simply operations management, is management of the physical processes of production and involves things like machinery,…

1 educator answer

BUSINESS

What are the differences between foreign trade and foreign direct investment?

Foreign trade is the exchange of goods and services (derived from the domestic sector: government, business, household) with the domestic sector of another country. Trade is the exchange of imports…

1 educator answer

SCIENCE

What is the ideal mechanical advantage of a wheel and axle with an axle radius of 1 cm, a…

Hello! When we cannot, say, lift a heavy load, we can apply a mechanism which reduces the force needed. Nothing comes free, and in this case we lose in speed. Sometimes, on the contrary, we want to…

1 educator answer

BUSINESS

People usually mix their personal and professional life. What are the pros and cons of this?

This is an important question because the statement is quite true, and there are certainly pros and cons. Managers and employees should have an awareness of both, in order to make good decisions…

1 educator answer

BUSINESS

What is microeconomics?

Microeconomics is one of the two main branches of economics. Microeconomics, as the name suggests, focuses on the smaller picture. Macroeconomics looks at the performance of entire national…

1 educator answer

OF MICE AND MEN

Why was it a bad idea for George killing Lenny?

This is a difficult question to answer, because many will say that George had no choice. Just from the text, we can say that George thought this was the best option. Slim, who is seen nearly as…

1 educator answer

TO KILL A MOCKINGBIRD

In To Kill a Mockingbird, which is the best universal theme that connects Boo Radley and Tom…

In Chapter 10, Scout recalls the time Atticus told her that it is a sin to kill a mockingbird. She asks Miss Maudie about it and Miss Maudie replies: “Mockingbirds don’t do one thing but make…

1 educator answer

HISTORY

What was the Witch Craze in Europe?

The European Witch Craze began in the mid-1400s and lasted for two centuries. During this time, Europeans executed between 200,000 to 500,000 “witches,” of whom 85% were women. The impetus for this…

1 educator answer

SCIENCE

What process do most cells use to obtain energy?

Cellular respiration is the process by which most of the cells generate energy from complex chemical molecules. In simplest terms, the complex chemical molecules (such as glucose, etc.) are broken…

1 educator answer

SCIENCE

How are frequency and wave period related?

The frequency of a wave is the inverse or reciprocal of its period. Period, by definition, is the time required for a wave to advance or vibrate through one complete cycle. It is measured in…

1 educator answer

SHERMAN ALEXIE

Is the opening paragraph in “Superman and Me” carefully developed? Does the writer include the…

The opening paragraph of the story “Superman and Me” is carefully developed, and while it includes quite a bit of information about Alexie and about the story, it does not include a full summary of…

1 educator answer

PUBLIC HEALTH ISSUES

What are the mental health disparities that Hispanics face? What are the challenges and barriers…

The first main issue many Hispanics face in mental health care is a language barrier. While for many physical ailments at least some types of diagnosis can be done primarily on the basis of…

1 educator answer

SCIENCE

How do chemical indicators explain a chemical reaction has occurred?

There are several indications that a chemical reaction has occurred. Heat and/or light are produced in the case of combustion and some other exothermic reactions. The generation of gas, often seen…

1 educator answer

SCIENCE

How do different string lengths compare in different pendulums?

The pendulum is a physical system which can oscillate under the action of gravity or other physical action such as an elastic force. In its simplest form, it consists of a body of mass m, suspended…

1 educator answer

AFTER TWENTY YEARS

What is the main conflict in “After Twenty Years” by O. Henry?

This is a good question, but a difficult one. Obviously the main conflict has to involve either one or both of the main characters, Jimmy and Bob. Bob does not seem to be experiencing any conflict….

1 educator answer

SCIENCE

What is the function of the cytosol?

Cytosol may be defined as the part of cell that remains after cytoskeletal components, membrane and organelles have been removed. Cytosol is often confounded with cytoplasm, which is the fluid that…

1 educator answer

SCIENCE

What are examples of organisms that depend on protists?

Protists are eukaryotic cells that cannot be classified as plants, animals, or fungi. Most are unicellular (such as euglena, amoeba, diatoms, and paramecium). However, there are a few multicellular…

1 educator answer

SCIENCE

What links the digestive system to the circulatory system?

Blood that is carried via the veins and arteries links the digestive system to the circulatory system. Oxygenated blood is carried via arteries. The oxygen is delivered to cells so that cellular…

1 educator answer

SCIENCE

What is a spreading plate?

Another term for spreading plates is divergent plates–when two tectonic plates move away from each other. The Mid-Atlantic ridge is an example, as magma flows upward from the Earth’s mantle,…

1 educator answer

SCIENCE

although fats and oils are not soluble in water, soapy water cleans greasy dishses explain how it…

Fats and oils are not soluble in water because they are non-polar while water is polar. Polar substances tend to dissolve in polar solvents, while non-polar substances dissolve in non-polar…

1 educator answer

SCIENCE

How does ATP store energy?

ATP or adenosine triphosphate is the energy molecule or energy currency of the cells (and our body). Energy is stored in the form of ATP molecules and can be easily transferred from one location to…

1 educator answer

SCIENCE

What are some cells that are too small to see even with a microscope?

Any cell smaller than a large bacteria will be too small to resolve with a standard optical microscope. This includes viruses (all sizes), small bacteria (e.g., E. coli) and prokaryotes. A typical…

1 educator answer

SCIENCE

How are atoms and elements related?

Atoms and elements are both pure substances. This means that they cannot be broken down into simpler parts and that their composition (what they are made of) never changes. Atoms are made of three…

1 educator answer

SCIENCE

why is there spaces left between railways?

Substances contract or expand when the ambient temperature changes. The change is determined by the substance’s thermal coefficient of expansion or contraction. Most of the time, this expansion or…

1 educator answer

SCIENCE

What types of chemicals can “attack” other substances?

When we hear “chemically attack”, we think of reactions that occur fast enough for us to observe such as corrosion. Compounds that are strong oxidizers, such as halogens or some acids, behave…

1 educator answer

SCIENCE

what are two ways the integumenary system functions to regulate body temperaure?

The integumenary system, which is the skin and its appendages such as hair, scales, feathers and hooves, has three mechanisms for regulating body temperature. If the body is too hot sweat glands in…

1 educator answer

THE OUTSIDERS

What are some strengths Ponyboy has in S. E. Hinton’s book, The Outsiders?

In S. E. Hinton’s The Outsiders, Ponyboy is most definitely characterized as being different from the rest of the Greasers. First, he is a very caring person, which is demonstrated in his desires…

1 educator answer

SCIENCE

Considering the impact of waste on the environment, what is the best way humans can make a…

This is an interesting question. We are aware of the adverse environmental impacts of the waste we generate, yet we cannot stop generating the waste. This waste is generated during the processes…

1 educator answer

SCIENCE

How are compounds different from mixtures?

Compounds are substances that are made of two or more atoms via a chemical reaction. The atoms within a compound are attached via a chemical bond. The ratio of atoms within a compound can never…