Answer:
The correct answer is silica gel.
Explanation:
First of all, the name of ''thin-layer chromatography'' is given to a specific technique used to separate non-volatile mixture.
Secondly, the silica gel is an amorphous and porous form of silicon dioxide and is usually used in the chromatography method as a thin layer of adsorbent material and receives the name of stationary phase in the method.
Finally, in a certain example where two compounds that differ from each other regarding polarity, the more polar compound has a stronger interaction with the silica gel.
While listening to a classmate's speech, Ashley remembers that she finished the carton of milk at breakfast and creates a grocery list in her mind during the rest of her classmate’s speech. What is Ashley experiencing?
Answer: psychological noise
Explanation: psychological noise can be categorised into wandering thought, preconceived ideas and sarcasm.
Ashley was suffering from wandering thought. This occurs when while one is communicating, the listener's mind is wandering or is busy thinking about other things. The listener is not paying attention.
It may occur because the speaker is taking too long to finish his speech or the listener feels the information is not useful to him
Wandering thought may also occur to the speaker when his mind is not focused on his speech or he is distracted.
A sociologist creates a questionnaire but is not sure if the questions will be suitable for the research hypotheses she wants to test. What type of study should she conduct to test the validity of her survey?
Answer:
Pilot Survey
Explanation:
Pilot survey: The term pilot survey is defined as the phenomenon that involves testing a particular questionnaire by using a small sample as compared to the already planned or organized sample size. While conducting a pilot survey, the questionnaire is being administered to a particular total percentage of a given sample population.
Advantage: A pilot survey provides important or valuable feedback to the experimenter or the researcher so that he or she can improvise the papers before getting it published.
In the question above, the given statement represents a pilot survey.
In the context of classical conditioning, _____ occurs when the conditioned response dissipates after the anticipated reward is withheld.
In the context of classical conditioning, extinction occurs when the conditioned response dissipates after the anticipated reward is withheld.
Explanation:When a behavior of an individual decreases or becomes disappearing due to the weakening of a conditioned response then it is called as Extinction. This will result in the stoppage of the conditioned behavior. For example you teach some one to behave in certain way to you and you reward him for the same.When you got bored to stopped doing this.
This will ultimately result in the stoppage of that behavior of the person to you because you stopped teaching and rewarding him. Thus in the context of classical conditioning, extinction refers to the disappearance of a conditioned response when you with held the anticipated rewards.
Final answer:
Extinction in classical conditioning refers to the decrease and eventual elimination of the conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.
Explanation:
In the context of classical conditioning, extinction occurs when the conditioned response dissipates after the anticipated reward is withheld. This happens because the unconditioned stimulus (US), such as food in Pavlov's experiment, is no longer paired with the conditioned stimulus (CS), such as the bell.
After several pairings without the US, the organism, like Pavlov's dog, begins to show a decrease in the strength of the conditioned response until the behavior is 'extinguished.'
Extinction plays a crucial role in the field of clinical psychology, serving as the basis for therapies aimed at eliminating maladaptive behaviors, such as phobias or anxiety disorders, through repeated exposure to the CS in the absence of the US or aversive outcome.
Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. Scientists played sounds they had identified as the names of particular dolphins by putting them through a synthesizer so that they did not sound like the voices of particular dolphins. The researchers found that dolphins would respond to the names of other dolphins to which they were related or with which they were associated, but they ignored the names of strangers. This discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. If this research is accurate, what does it suggest about dolphins?
Answer:
They have a sense of self similar to that of humans.
Explanation:
Few animals such as apes, monkeys, elephants, and dolphins have shown that they have a sense of self. Generally this has been proved by the use of mirrors.
Here, the dolphins recognize the sounds as the names of their friends. They do not react to strangers' names. This means they recognized their own name. As they have associated themselves with a name they understand the concept of self.
Hence, the dolphins have a sense of self, similar to that of humans.
Dolphins communicate with each other using a variety of vocalizations and may have names for themselves. Marine biologists study dolphins and other marine life.
Explanation:Dolphins communicate with each other using a wide variety of vocalizations. Recent research suggests that dolphins have names for themselves and that they respond to the names of other dolphins with which they are associated. Marine biologists study dolphins and other life in the ocean.
Matti finds himself unable to adjust to college because he doesn't seem to have the study skills necessary to earn passing grades. Matti's predicament would probably best be explained by:________.
A. Psychosocial theory.
B. Bronfenbrenner's ecological theory.
C. The competence-environmental press theory.
D. Kohlberg's theory of moral development.
Answer:
C. The competence-environmental press theory.
Explanation:
The Competence-environmental press theory is defined as a particular model of adaptation and stress whereby the adaptive functionality in the environmental surrounding tends to be dependent on the association between the different stimuli present in an individual's social and physical environment that puts various demands on an individual i.e, the environmental press and his or her competence for meeting or completing these needs or demands that is being shaped via personal qualities including perceptual and cognitive capabilities.
In the question above, the given statement explains the competence-environmental press theory.
has always considered himself to be a "real" man, inside and out. What concept describes his perception of himself?
Answer: self concept
Explanation: According to Roy Baumeister (1999), self concept is “The individual’s belief about himself or herself, including the person’s attributes and who and what the self is.”
Hence, self concept can be said to be an overall idea about self, largely based on how a person sees, values, thinks, and feels about himself. It is learned, multidimensional and is influenced by biological, environmental and social interaction.
First grade teacher Betty McIntyre would like to provide scaffolding for students who are struggling to learn to read and write. Of the following, an effective scaffolding technique would be
a) miscue analysis.
b) rubrics.
c) silent reading.
d) interactive writing.
Answer:
d) interactive writing.
Explanation:
The effective scaffolding technique for the teacher to use is interactive writing. Interactive writing is a teaching method used for children who cannot write well and it is applied on a one-on-one basis or in a small class of students. It is a collaborative teaching/learning strategy in which the teacher and the student discuss and agree on what to write and the teacher aids them in the writing by sharing the pen with them while they write. It is a powerful tool for teaching kindergarten and first grade students how to read and write.
According to psychologist Carol Gilligan, women are socialized to make moral decisions based on abstract standards, whereas men are socialized to make such decisions based on the consequences of behavior.
a) true
b) false
Answer:
B). False.
Explanation:
The given statement asserts a false claim about the American Psychologist Carol Gilligan's view on moral development of women and men. It wrongly asserts that women are required to interact socially to make righteous decisions that are based on abstract conceptual standards while the men make decisions on effects of behavior. She rather argued that the girls display various patterns of moral development that are greatly based on relationships, behavior, and the emotions of care along with the responsibility for others and the men's decision-making rely on standards and logic. Thus, the assertion is false.
There are several phases of leadership thought, the first phase is the:_________
A) Behavioral Phase
B) Great Man and Trait Phase
C) Collective Phase
D) Great Phase
E) Situational Leadership Phase
Answer:
B). The Great Man and Trait Phase.
Explanation:
The 'Great Man and Trait Phase' of leadership thought that is highly concerned on nature and believed that 'great leaders are born'. This phase proposes that the leadership traits like charm, courage, wit, intellect, discernment, instincts, etc. are naturally inbuilt in the born leaders and these traits cannot be acquired or learned formally. This phase believes in the proposition that all the great leaders are the nature's gift and they inherently possess these innate skills to influence people and these natural traits cannot be aspired. Therefore, option B is the correct answer.
Who is to live with her brother and keep his house? A) Jane B) Elizabeth C) Mrs. Bennet D) Miss Bingley
Answer:
Option: D) Miss Bingley
Explanation:
In the book Pride and Prejudice by Jane Austen, Miss Bingley lives with her brother and keep the house because she thinks to maintain a bachelor house, a women touch is required.
She is the younger sister of Mr Charles Bingley, known as Caroline who stays in the house to manage Netherfield Park and act as a mistress of it.
Duration would NOT be an appropriate measure for: A Treasury bonds B Corporate bonds C Corporate common stock D Corporate preferred stock
Answer:
Duration would not be an appropriate measure for corporate common stock.
Option: (C)
Explanation:
By considering duration as a measure, only the anticipated price movement of fixed income security for a given change in given market interest rate levels could be determined. On the other hand, duration would be an appropriate measure for bonds and preferred stocks as they are fixed income securities Whereas, common stock is not a fixed income security so the condition of duration would not be applicable.________ improves hard-disk performance by anticipating data needs and reducing time to access data from secondary storage. Group of answer choices Formatting RAID Disk caching File decompression
Answer:
The answer is disk caching.
Explanation:
A disk cache is considered a cache memory that is usually utilized to accelerate the process concerning storing and accessing data. This process is made from the hard disk. The processing of reading/writing, as well as the processes related to the hard disk, the memory, as well as the computer's components, are faster because of this process.
A disk cache stores the programs and data that we usually utilize. In case a program needs data, the operating system checks the disk cache.
Disk caching and buffer are the embedded memory of the HDD and act as a buffed between the computer and rest of the system
As e modern hard disk drives are 8 to 256 MB, they are distinct and different from the page caches. Hence the option C is correct.Learn more about the improves hard-disk performance by.
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A reality television show called Wife Swap exchanged the mothers from two very different families and filmed the result as the participants are exposed to radically different ways of life. Although the television network was simply trying to be entertaining, the show also demonstrates the sociological principle of __________.
Answer:
The answer is culture shock.
Explanation:
Culture shock can be defined as a feeling of uncertainty, confusion, or anxiety that people usually experience when they are doing business or when they live in a foreign society. Social norms can be very different according to the countries and regions.
Culture shock is usually produced when the individual is not familiarized with local customs, language, as well as the appropriate behavior. Culture shock can affect those who do business abroad. This is the reason why some companies provide special training to help employees to reduce cultural gaffes, as well as help them to adapt to the new society.
Answer:
Culture shock
Explanation:
Culture shock is the feeling of uncertainty, confusion surprise, or anxiety that people experience when visiting, doing business in, or living in a society that is different from their own. Social norms can vary with such great differences across countries and regions. Culture shock can arise from an individual's unfamiliarity with local customs, language, home culture and acceptable behavior. The mothers going to a home not theirs might be surprised and confused at how the environment and culture of the home might be so different from the one they are use to.
Fire fighters working at wildland fires must pass a test that is part of the Wildland Fire Qualification Subsystem. In this test, how long do fire fighters have to carry a 45-pound pack a distance of 3 miles?
Answer:
45 minutes
During the pack test, fire fighters have to carry a 45-pound pack for a distance of 3 miles for 45 minutes. The pack test is a job related test of the capacity for the arduous work, and forms part of the Work Capacity Test.
Explanation:
Work Capacity Test is a collective group of tests to determine fire fighter physical capabilities. these capability tests are used to ensure that individuals assigned to fire activities are physically capable of performing the duties of wildland fire fighting. Each performance level has its own unique work capacity test namely; the pack test, field test and walk test.
The correct answer is that fire fighters have to carry a 45-pound pack for a duration of 50 minutes to pass the test that is part of the Wildland Fire Qualification Subsystem.
To arrive at this answer, we refer to the standards set by the Wildland Fire Qualification Subsystem for the physical fitness test, specifically the arduous pack test. According to these standards, fire fighters are required to walk 3 miles while carrying a 45-pound pack within a maximum time limit of 45 minutes. However, this is the standard for the arduous level of fitness, which is the highest level. There are other levels of pack tests with different requirements, such as the moderate and light pack tests, which have different time limits and weight requirements.
For the arduous pack test, the specific requirements are:
Carry a 45-pound pack.
Walk a distance of 3 miles.
Complete the walk within 45 minutes.
Therefore, fire fighters have a time limit of 45 minutes to complete the 3-mile walk with the pack. However, it is important to note that the question asked "how long do fire fighters have," which implies the total time available to complete the task rather than the time it should take to complete it. Since the test must be completed within 45 minutes, fire fighters technically "have" up to 45 minutes to carry the pack.
In practice, fire fighters should aim to manage their pace to complete the test well within the 45-minute time frame to ensure they pass and to demonstrate a high level of fitness. The 50-minute mark mentioned in the question is likely an error, as it exceeds the maximum allowed time for the arduous pack test. The correct time limit is 45 minutes.
Because all psychologists are trained in how to design research, gather data, and analyze results, research-based careers occur in every subfield of the discipline, including clinical and counseling psychology.
Answer: The answer is definitely True
In the ________ organizational pattern, the main idea comes first, followed by details, explanation, or evidence.
In the direct pattern organizational pattern, the main idea comes first, followed by details, explanation, or evidence.
Blair has trouble "turning off" his mind at night, which usually results in hours of lying awake in bed. It doesn't help that his wife, Kim, has a sleep condition that sometimes causes her to stop breathing in her sleep and catch her breath in loud gasps. Blair is troubled by ______________, while Kim suffers from ______________.
Answer:
Insomnia, Snoring
Explanation:
Insomnia is the disorder of inability for sleep due to constant thought
Classify the planets based on their composition. Saturn Mars Uranus Venus Earth Neptune Mercury Jupiter
Terrestrial planets (Mars, Venus, Earth, and Mercury) are made of rock and metal, whereas gas giants (Jupiter, Saturn, Uranus, and Neptune) are primarily composed of hydrogen and helium. Uranus and Neptune are sometimes termed as 'ice giants' due to the presence of water, ammonia, and methane ices.
Explanation:Planets can be classified into two primary categories based on their composition: terrestrial planets and gas giants. Terrestrial planets, also known as rocky planets, are made primarily of rock and metal. They include Mars, Venus, Earth, and Mercury.
On the other hand, gas giants are composed mostly of hydrogen and helium, and they include Jupiter, Saturn, Uranus, and Neptune. It's important to note that Uranus and Neptune are sometimes referred to as 'ice giants' due to the presence of water, ammonia, and methane ices in their composition.
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Coworkers Mindy and Jerome agree that Mindy will drive them to work every weekday for one month, and then Jerome will drive them both to work every weekday the following month. This arrangement is a(n)
Answer:A bilateral executory contract
Explanation:A bilateral executory contract is a contract that binds parties legally to carry our a certain performance at an agreed upon date in the future , if this performance is not carried out then the contract is not fulfilled. An example is a joint venture
This type of contract is more common in personal contracts and most businesses.
The promise you make to carry out a particular action for another person is a bilateral contract an agreement between two parties .
What is a unilateral contract?
This is a contract in which an individual promises to carry out an action only an individual no two parties involved.
Which of the following was true of Roman religion? Group of answer choices 1. It provided for the impeachment of the consuls. 2. It was the first written law code in the Mediterranean world.3. It covered both Roman citizens and foreigners as a kind of universal law.4. It limited the rights of patricians and elevated plebeians.
Answer:
2. It was the first written law code in the Mediterranean world.
3. It covered both Roman citizens and foreigners as a kind of universal law.
4. It limited the rights of patricians and elevated plebeians.
Explanation:
The plebeians were not satisfied with their status in the time of the kings, as in the first part of the republic, although they were granted the status of Roman citizens by the reform of Servius Tullius. This reform did not change their position much, as they remained inaccessible in public administration, including priestly functions. As a result of the plebeians' struggle for better status, new act -12 tables was passed in the beginning of the republic. In addition, plebeians gained access to magistrates and even priesthood service. The Lex Ogulnia Act, which was enacted around 300 BC it enabled the plebeians to perform priestly functions, and thus, as early as 254 BC, a plebeian was set to be Maximus pontifex.Dominique is shown a series of triangles of different sizes and colors and is asked to guess what the next triangle in the series might look like. The use of this novel task indicates that the person testing Dominique is most likely assessing _____ intelligence
Answer:
Fluid intelligence
Explanation:
According to psychology, there are two different types of intelligence:
Crystalized intelligence: refers to the ability to use knowledge that was previously learned (usually in the school)Fluid intelligence: refers to the ability to solve new problems in novel situations without a pre-existing knowledge to do so.In this example, Dominique is shown a series of triangles and is asked to guess what the next triangle in the series might look like. This is a novel task that doesn't have to do with knowledge previously learned by Dominique. Therefore, the person testing Dominique is most likely assessing fluid intelligence
According to Piaget, children in the preoperational stage are able to Group of answer choices 1. represent objects with words and images.2. reason abstractly and test hypotheses. 3. explain their own thoughts to others. think logically about tangible things. 4. understand the world only by observing the consequences of their own actions.
Answer:
1. represent objects with words and images.
Explanation:
Preoperational stage: In psychology, the term preoperational stage is one of the main parts or stages in the theory of cognitive development which was proposed by Jean Piaget and consists of a total four distinct stages.
The preoperational stage starts at the age of two years and lasts through seven years and is considered as the second in Piaget's theory. At this stage, a child starts or initiates talking, learns to manipulate different symbols, irreversibility, and engages in symbolic play.
Children in Piaget's preoperational stage can use symbols to represent objects with words and images but cannot perform logical operations or understand conservation.
Explanation:According to Piaget, children in the preoperational stage, which lasts from approximately 2 to 7 years old, are capable of using symbols to represent objects with words and images. They engage in pretend play, use language to express themselves, and can form mental images. However, they are not yet able to think logically about tangible things, reason abstractly, test hypotheses, or understand mental operations. For example, they struggle with the concept of conservation, such as not recognizing that quantity remains the same despite changes in shape or appearance.
Tonya is a student and is interested in working for the government. Because of her limited experience, she is seeking an internship that would involve ensuring that workers receive fair treatment while they are employed and once they retire. She believes it is important to prevent discrimination in the workplace and that people should be paid fairly, especially when they are working overtime. Which government body should she apply for an internship?
A) Department of Justice
B) Department of Labor
C) Department of Education
D) Department Commerce
Answer:
B Is the answer (Department of Labor)
Explanation: The purpose of the Department of Labor is to foster, promote, and develop the wellbeing of the wage earners, job seekers, and retirees of the United States; improve working conditions; advance opportunities for profitable employment; and assure work-related benefits and rights. hope this help !!!!
Galileo's observations of the phases of ________ could not be explained by Ptolemy's epicyclic model.
Answer:
observations of the phases of VENUS could not be explained by Ptolemy's epicyclic model
Explanation:
Ptolemy mentioned that the epicycles were based on the Earth-Sun axis for both Venus and Mercury. They had to be between us and Sun, and thus the telescope would always have them appear to be crescents. Galileo discovered that Venus was going through the entire process of motion showing that it fully revolved round the Sun in his heliocentric theory, as foretell by Copernicus.
Antonio is training for a triathlon, a timed race that combines swimming, biking, and running. Because his pool sessions are helping him swim more quickly, Antonio plans to reduce by 1 hour per week the time he spends training on the bike and increase by 1 hour the time he spends in the swimming pool; however, his wife says that he should stop doing any biking and running and spend all 20 hours per week in the pool. Which basic principle of individual choice does this scenario illustrate? Resources are scarce. All costs are opportunity costs. Many decisions are made on the margin. People usually exploit opportunities to make themselves better off.
The scenario illustrates the economic principle that 'Many decisions are made on the margin'. Antonio is assessing the incremental gains from adjusting his training schedule marginally rather than making a drastic change.
Explanation:The principle of individual choice this scenario illustrates is 'Many decisions are made on the margin'. This economic principle emphasizes that individuals make decisions by evaluating the cost and benefit of incremental changes to the current state. Antonio is making a marginal adjustment in his training schedule by reallocating one additional hour from biking to swimming, rather than making a drastic change of reallocating all 20 hours to swimming, as his wife suggested. He's assessing the marginal benefit of spending another hour swimming versus the marginal cost of spending one less hour biking.
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This act extended civil rights protection for individuals with disabilities to all areas of American life.
a.
Education for all Handicapped Children Act
b.
none of the above
c.
Amateur Sports Act
d.
Americans with Disabilities Act
e.
Rehabilitation Act
Answer: E
Explanation: Under section 504 of rehabilitation act of 1973 states that no otherwise qualified handicapped in the united state shall solemnly by any reason of his handicap, be excluded from participation in, be denied the benefits of, or be subjected to discrimination under any program or activity receiving federal financial assistance.
What should pilots state initially when telephoning a weather briefing facility for preflight weather information?
Answer:
The information is in AIM 5-1-1(f):
Explanation:
If you request a briefing, describe yourself as a pilot and give these information:
type of flight scheduled; for instance, VFR or IFR.
Number of the plane or name of the pilot.
Type of aircraft.
check-out airport.
The flight path.
The Plane altitude.
ETE & ETD
Example like: This is J35670, I would love a standard briefing for a IFR flight from DKEB to SNEV at 2200', ETD at 1200Z, ETE 3h19
ACME Corp. managers are engaged in the process of systematically designing, collecting, interpreting, and reporting of information to help solve specific marketing problems or take advantage of marketing opportunities. This approach is best described as ___________.
Answer: Marketing research
Explanation:
The marketing research is one of the set of process that helps in analyzing, gathering and also interpreting the various types of information about the products and the services in the market.
The basically helps in link the customer and the producer by defining various types of marketing opportunities and everlasting the performance of the market.
According to the given question, the ACME corp. is one of the manager of the company and the main role of the manager is to solve the specific marketing problem systematically.
Therefore, The given approach is best illustrating the concept of marketing research.
Last week local shrimpers held a news conference to take some credit for the resurgence of the rare Kemp's ridley turtle, saying that their compliance with laws requiring that turtle-excluder devices be on shrimp nets protect adult sea turtles.
(A) requiring that turtle-excluder devices be on shrimp nets protect
(B) requiring turtle-excluder devices on shrimp nets is protecting
(C) that require turtle-excluder devices on shrimp nets protect
(D) to require turtle-excluder devices on shrimp nets are protecting
(E) to require turtle-excluder devices on shrimp nets is protecting
Answer:
The correct option is B: requiring turtle-excluder devices on shrimp nets is protecting
Explanation:
Option A is wrong because the verb does not comply with the singular subject, which in this case is "compliance", and hence the "protect" should be "protects"
Option B is the correct answer because "require" was used with a direct object and the singular verb "is" was also correctly used in the sentence and it agrees with the singular subject "compliance".
Option C is wrong because the word "protect" as used in the sentence is a plural verb and hence it does not comply with the singular subject "compliance"
Option D is wrong because the word "are" is a plural verb and hence it does not comply with the singular subject in the sentence, which is "compliance".
Option E is wrong because the usage of "to require" is unidiomatic
Eneida found an excellent deal on a printer and excitedly brought it home, plugged it in, and turned it on. Unfortunately, when she tried to print her homework for the next day, it didn’t work. What should Eneida check to fix this problem?
Answer: Assuring that right device driver in installed in computer system.
Explanation:
Device drive is the file that is responsible for interaction that takes place between the hardware device and operating system.It helps in transmitting and receiving information and signals from the hardware device.
It is also known as hardware driver that states the specification of the hardware with which computer system is communicating.E.g- printers,scanners, keyboard etc.
According to the question,Eneida should check whether or not she has installed the correct device driver for printer .If device driver is absent or incorrect then printer will not function.
Final answer:
Eneida should check the printer's connections, ensure proper installation and drivers, clear the print queue, verify network settings for Wi-Fi printers, and look for any hardware issues like paper jams or low ink.
Explanation:
When faced with a printer that isn’t working, Eneida should start by troubleshooting common issues. First, she should check if the printer is properly connected to both the power outlet and the computer. If the connections are secure, she should ensure that the printer is installed correctly on her computer and that the correct drivers are installed. Next, she should check for any error messages on the printer or computer screen, and attempt to clear any print jobs that may be stuck in the print queue. If the printer is connected via Wi-Fi, Eneida should verify that the network settings are correct and the printer is connected to the right network. Lastly, she should ensure there are no hardware issues such as paper jams or low ink levels that might be causing the problem.