The bottom layer will be the organic layer during the aqueous tea dichloromethane extraction process.
The tea should be put in a 125 ml Erlenmeyer flask. Add 10 ml of 0.2 M NaOH and 20 ml of dichloromethane. Extraction: To extract the leaves, tightly seal the flask and gently swirl it for 5 to 10 minutes. While the majority of the other compounds in the leaves do not dissolve in the solvent, caffeine does.
Dichloromethane has a higher solubility for caffeine than water. As a result, when dichloromethane is added to a coffee solution that contains caffeine, the caffeine will move from the coffee solution to the dichloromethane solvent. A separatory funnel can be used to separate the caffeine-containing solvent from the coffee solution.
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By defaul, icmp traffic (ping) is allowed through the ufw firewall. what file needs to be modified to deny this ping activity?
By default, ICMP traffic (ping) is allowed through the ufw firewall. The file that needs to be modified to deny this ping activity is /etc/ufw/before.rules.
Ping operates using Internet Control Message Protocol (ICMP) packets. Pinging involves sending an ICMP echo request to the target host and waiting for an ICMP echo reply.
To send an ICMP echo request packet to the IP address you specify: Issue the ping command in Privileged Exec mode.
The Internet Control Message Protocol (ICMP) is used by devices within a network to communicate data transmission problems. In this ICMP definition, one of the primary ways in which ICMP is used is to determine if data is reaching its destination and at the right time.
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A(n) ________ is a type of plea where the defendant pays a penalty without admission of guilt.
A(n) nolo contendere is a type of plea where the defendant pays a penalty without admission of guilt.
The definition of a penalty is a punishment, excellent or a negative end result of an act. An instance of a penalty is having to wait traffic school for a getting a dashing price ticket.
The phrase penalty comes from the fact that we're searching out the traits which could penalize the client pride for a given product. The penalty is the distinction between the mean of the liking scores for the JAR class, and the imply of the scores for the other categories.
A punishment, or the usual punishment, for doing some thing this is in opposition to a law: The law contains a penalty of up to three years in jail. They requested for the most penalty for hoax calls to be improved to twelve months.
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Which forecasting technique uses mathematical models and historical data to make forecasts?
Quantitative forecast method uses both mathematical models and historical data to make forecasts.
What are the forecasting techniques?
Forecasting is the process of determining the size of uncertain future occurrences and producing various results based on various assumptions. Top forecasting techniques include quantitative forecasting and qualitative forecasting (Delphi Method, Market Survey, Executive Opinion, Sales Force Composite) (Time Series and Associative Models). Not all techniques would be useful for predicting; decision-makers need know which kind is most appropriate for their industry.
When historical data is unavailable, qualitative forecasting approaches, which are based on the subjective opinion and judgement of experts and customers, are acceptable. They are typically used while making long- or intermediate-range choices. Market research, the Delphi method, informed opinion and judgement, and historical life-cycle comparison are a few examples of qualitative forecasting techniques.
In order to predict future data as a function of historical data, quantitative forecasting models are utilized. When prior numerical data is accessible and it is fair to believe that some of the patterns in the data will likely persist into the future, they are acceptable for use. These techniques are typically used for judgments that are made in the short- or medium-term. The following are some illustrations of quantitative forecasting techniques. basic, weighted, and latest period demand
moving averages, straightforward exponential smoothing, forecasting using the poisson process model, and multiplicative seasonal indexes. Previous studies have shown that different techniques may produce predicting accuracy at varying levels. For instance, it was discovered that GMDH neural network outperformed traditional forecasting algorithms including Single Exponential Smooth, Double Exponential Smooth, ARIMA, and back-propagation neural network in terms of predicting performance.
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In order for the relationship between price and quantity demanded to shift, (known as the level of demand), what would need to take place?
In order for the relationship between price and quantity demanded to shift, (known as the level of demand), the thing that would need to take place is that Consumer income increases.
What is the Understanding of Quantity Demanded?The price of a product or services and that of quantity demanded for that given product is known to have an association that is said to be an inverse relationship.
Note that this inverse relationship connote that higher prices leads to in lower quantity demand as well as lower prices leads to higher quantity demand.
Therefore, In order for the relationship between price and quantity demanded to shift, (known as the level of demand), the thing that would need to take place is that Consumer income increases.
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Which three elements do all communication methods have in common? (choose three.)
A message or piece of information must be conveyed from a source to a destination in order to initiate communication.
The three elements do all communication methods have in common are:
The message sender, or source, is the first of these components.The second component is the message's recipient or destination.The third component, referred to as a channel, is made up of the transmission medium that creates the path for the message to take as it moves from source to destination.What is Communication?
A message or piece of information must be conveyed from a source to a destination in order to initiate communication. Whether this message is sent face-to-face or via a network, it must follow certain guidelines known as protocols. These protocols are particular to the kind of communication technique being used. In our regular interpersonal contact, the conventions for utilising one medium, like a phone conversation, may not always be the same as those for using another, like writing a letter.The sender, or message source, is the first of these components. People or technological gadgets that need to communicate with other people or devices are considered message sources. The recipient, or destination, of the message, is the second component of communication. The communication is delivered to the destination, which interprets it. The media that serves as the conduit for the message's journey from source to destination is referred to as a third component, or channel.To know more about Communication visit:
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In debussy's impressionistic music, instead of expressing feelings he looks for ______________ and dreams.
In Debussy's Impressionistic music, instead of expressing feelings, he looks for desires and dreams.
Claude Debussy was a French composer of the ending of the 19th century. He is the most representative figure of Impressionistic music. He was related to the intellectual circle of impressionist artists and writers, like Renoir, Monet, Mallarmé, and Satie.
As an Impressionist, his music wanted to transmit moods, general impressions, desires, and dreams, rather than feelings, as Romantic music did.
His compositions are full of tone color. He innovated in the use of non-traditional scales, harmonies, and music techniques.
Some of Debussy's famous compositions are:
Prélude a l'après midi d'un fauneLa MerClaire du luneRéverieYou can learn more about Debussy in the link below:
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Is it okay for an engineer to design a building with a known potential problem? state the reasons for your answer.
Yes, it is possible for an engineer to design a building with a known potential problem if the engineer can guarantee that the problem being detected is not coming from the design.
A test to determine if something is an accessibility barrier or not can discover potential barriers to accessibility. A methodical approach of figuring out what might go wrong with a plan under development is called a potential problem analysis (PPA).
The severity of the consequences and likelihood of occurrence are used to rank the problem sources. Both preventative measures and backup plans are created.
Some of the potential problem analysis are:
Define the goals and Create a list of potential difficulties. Perform the prospective problem analysis.Determine the precise nature of each issue.Calculate the level of risk connected to each issue.Look into potential reasons of each issue.Calculate the likelihood of something happening.Identify ways to prevent causes or lessen their effects.Creating backup plans.To know more about potential problems go to https://brainly.com/question/20068135
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What is a typical characteristic absorption in the ir spectrum of a primary amine?
Two N-H absorptions at 3300-3500 cm-1 is a typical characteristic absorption in the IR spectrum of a primary amine
More about IR spectroscopy:
The IR infrared section of such electromagnetic spectrum, or light with a higher wavelength and a shorter frequency than visible light, is the subject of IR spectroscopy, sometimes known as infrared spectroscopy. The study of a molecule's interaction with infrared light is known as infrared spectroscopy.
An equipment known as an IR infrared spectrometer (or spectrophotometer), which generates an infrared spectrum, is used to perform the infrared spectroscopy method or procedure. Due to its utility in detecting the properties of compounds and identifying them, it is one of the most popular and commonly utilised spectroscopic techniques used mostly by organic and inorganic chemists.
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The ______ amendment reserves powers for the states that are not expressly delegated to the national government by the constitution
The Tenth Amendment reserves powers for the states that are not expressly delegated to the national government by the Constitution.
The Constitution is a document that lays out the framework for our national government. It outlines the various powers and responsibilities of the different branches of government, as well as the rights of the people.
The Tenth Amendment reserves powers for the states that are not expressly delegated to the national government by the Constitution. This means that the states have a certain degree of autonomy when it comes to governing their own affairs.
The states are able to pass their own laws and regulations, as long as they do not conflict with national laws. This allows the states to experiment with different policies and find what works best for them.
The Tenth Amendment is an important part of our Constitution and it helps to keep our country federal in nature.
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Which European country settled most of North America during the 16th and 17th century
The people from the British in European continent settled most of North America during the 16th and 17th century.
What was the reason for the immigration?The North American was mainly settled from about 1717 to 1775 by Presbyterian farmers from North England border lands, Scotland, and Ulster, fleeing hard times and religious persecution. Hence, about an estimate of 250,000 and 400,000 Scots-Irish migrated to America in the 18th century.
Therefore, the people from the British in European continent settled most of North America during the 16th and 17th century.
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A tenant signs a lease that includes a schedule of rent increases on specific dates over the course of the lease term. what kind of lease has this tenant signed?
The tenant signed the graduated lease that includes a schedule of rent increases on specific dates over the course of the lease term.
What is a graduated lease?The conditions under which one party agrees to rent property from another party are set forth in a lease, which is a legal instrument.
The monthly payments between a landlord and tenant, or a lessor and a lessee, are periodically modified under the terms of a graded lease.
Because of changes in the market or an increase in the value of the leased property, a tenant can be asked to pay a higher rent.
For real estate contracts where property values increase over time, a graded lease might be a better option.
Graded leases are another name for graduated leases. Compared to conventional straight or fixed leases, which typically have lengths of one to two years, graduated leases are more frequently structured for longer periods of time.
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A client asks why pharmacists must offer counseling before dispensing medication. the office manager explains that this is required by which act?
Omnibus Budget Reconciliation Act (OBRA '90) requires pharmacists must offer counseling before dispensing medication.
The Omnibus Budget Reconciliation Act of 1990 (OBRA '90) included mandates for states to improve medication understanding among Medicaid beneficiaries who were prescribed and dispensed medications. The OBRA of 1990 included provisions requiring such counseling for Medicaid patients. Although OBRA 1990 went into effect in 1993, most states moved quickly to expand counseling services to all patients who received prescription drugs.
OBRA '90 requires pharmacists to make a "offer to counsel," but they are not needed to provide counseling to a patient (or patient's caregiver) who declines the offer.
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Given the equilibrium system at 25 degrees c, what change will shift the equilibrium to the right?
At equilibrium, any chemical process, The equilibrium moves to the right, toward products, as a result of adding reactant(s) or taking away product(s).
There is no longer a propensity for the reactant and product concentrations to alter over time, and there has been no appreciable change in the system's characteristics. Changing the reactant or product of a chemical reaction after it achieves equilibrium is one strategy. As more reactant is added, the equilibrium changes, increasing the amount of product created. More products are added to reduce the tension, which shifts the equilibrium to reactants.
According to one of the principles, if you add additional products, the equilibrium will shift to the left, resulting in the production of more reactants. Equilibrium can also be shifted to the left by taking reactants out of the equation.
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The nurse is assisting a pregnant client who underwent a nonstress test that was ruled reactive. which factor will the nurse point out when questioned by the client about the results?
The nurse is assisting a pregnant client who underwent a nonstress test that was ruled reactive. the nurse points out to the client the results. The fetal heart rate increases with activity and indicates fetal well-being.
Inside the fetal heart, those two blood vessels are related through a blood vessel known as the ductus arteriosus. After delivery, the ductus closes and a separate left pulmonary artery and aorta shape. The fetal heart additionally has an opening between the top chambers (the proper and left atria) referred to as the foramen ovale.
Via the tenth week, the fetal heart will have evolved absolutely. it is able to be viable to hear the heartbeat of an embryo from the 5th week of pregnancy. however, an experiment at this level is not likely to expose anything related to the embryo's heartbeat.
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How did the shift to farming affect Native American cultures
Agriculture is and constantly has usually performed a huge role inside the wealth, fitness, and prosperity of native American cultures. Early on native people improved from looking and amassing closer to farming. regularly planting a number of the wild edibles they harvested in their personal gardens.
Man or woman land ownership, Christian worship, and schooling for children have become the cornerstones of this new, and very last, attack on Indian lifestyles and subculture. Beginning in the Eighteen Eighties, monks, authorities officers, and social workers all labored to assimilate Indians into American life.
The rural Revolution, the shift to primary crops, profoundly altered native American cultures. The availability of a greater dependable store of meals helped placed a stop to the responsibilities of hunting, accumulating, and nomadic lifestyles.
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Which indication of discomfort may the nurse observe when the patient with an end stage terminal illness is asleep?
An indication of discomfort may the nurse observe when the patient with an end-stage terminal illness is asleep. Moaning, Grimacing, and Restlessness,
Terminally ill or end-stage disease is a disease that cannot be cured or adequately treated and is reasonably expected to result in the death of the patient. The term is used more often for progressive diseases such as cancer, dementia, and advanced heart disease than for injuries.
Terminal illness: An irreversible condition leading to death or permanent unconsciousness in the near future, with little chance of recovery. In most states, terminal illness is defined as a disease in which the patient "soon" dies, regardless of treatment. No entry.
Potentially terminally ill are eligible for rapid disability determination and specialized treatment through the Teri program. The Social Security Administration (SSA) expedites disability determinations for claimants with terminal illnesses through the Terminally Illness Program (TERI) program.
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Which country has regionally driven cinema that generates films in each of its sixteen official languages?
India has regionally driven cinema that generates films in each of its sixteen official languages.
India has regionally driven cinema that generates films in each of its sixteen official languages. So it's crucial to keep in mind that there are various Indian film industries when talking about Indian cinema. There are actually more than 20 distinct regional industries, each with its own customs and cultural norms. Bollywood movies, for instance, originate in the Western region of Mumbai, therefore residents in Chennai in the South may never see them. Filmgoers from one area might not even be able to understand cinema from another because India has 16 official languages.
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How would you make a multimedia cookbook for a family of varying cooking skills and abilities?
Answer:
Give each person a chapter in the cook book
Explanation:
each chapter would be different and on different levels. like chapter Emily would be more easy level breakfast foods
The reason that people do not become overwhelmed by their environments is that consciousness allows people the awareness to __________. a. learn to observe all stimuli at once b. rewire the brain to have more capacity c. selectively focus on certain stimuli d. remember the feeling of calmness please select the best answer from the choices provided a b c d
The reason that people do not become overwhelmed by their environments is that consciousness allows people the awareness to selectively focus on certain stimuli.
Because consciousness enables individuals to consciously focus their awareness on particular stimuli, humans do not become overwhelmed by their surroundings.
Anything that prompts action in any organism is known as a stimulus or stimulus. An internal or external trigger is possible. We are sensitive to outside stimuli thanks to our sensory organs and receptors.
The order in which stimuli are sent to our brain can be controlled. All stimuli do not necessarily have to be felt. There are a number of cognitive and emotional restrictions on environmental awareness. Depending on its surroundings, the brain can concentrate on certain stimuli.
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This statue from china was created about 1500. what do the buddha's hand gestures symbolize? meditation wisdom charity and compassion teachings of buddha
This statue from china was created in about 1500. Buddha's hand gestures symbolize charity and compassion.
According to tradition, Buddha prefers the "fingers" of the fruit to be in a posture that very closely looks like a closed hand than an open one because he believes that a closed hand represents the act of prayer. In China, the fruit in the Buddha's hand is a symbol of happiness, longevity, and wealth.
The right hand of the sitting Buddha of Protection is extended and outstretched. The hands are making a shield-like gesture. In another sense, the position can represent overcoming fear. Whether the Protection Buddha is seated or standing, the left hand is usually either extended or put on the lap.
He is seated on a lotus flower, which represents purity, and is holding another one in his hands.
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In maslow's hierarchy of needs, the most important needs, such as the need for food, are ______.
In Maslow's hierarchy of needs, the most important needs, such as the need for food, are: physiological (food and clothing), safety (job security), love and belonging needs (friendship), esteem, and self-actualization.
What is the most important need according to Maslow's hierarchy of needs?Maslow's hierarchy of needs places self-actualization at the top. This need refers to our desire to maximize our potential. According to Maslow, this need can only be met after all other needs have been met.Maslow's hierarchy of needs is a psychological theory that explains human motivation by focusing on different levels of needs. According to the theory, humans are motivated to meet their needs in a hierarchical order. This list starts with the most basic needs and progresses to more advanced needs.It gives us a structure for assisting and enabling our team members to feel healthy, happy, and fulfilled. We can accomplish this by addressing the five primary motivational needs: Body physiology Security, security.Everyone's physiological needs must be met before they can worry about anything else. The body will break down and people will die if their physiological needs are not met. Certain things are required by human bodies that cannot be overlooked: All humans require regular and sufficient meals.
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Answer:
In maslow's hierarchy of needs, the most important needs, such as the need for food, are physiological needs
What is one implication of the state having a unitary system of government with respect to local governments?
Inferring that the state has a unitary form of government with regard to local governments, local governments are constrained by state laws and state laws, which decide the scope of authority allocated to them.
State laws is the collective name for all of the laws that apply to the several American states. The fifty states each have their own state governments, state courts, and state constitutions, making them distinct sovereign nations. The judicial branch applies, interprets, and occasionally overturns state statutes and regulations as well as local ordinances.
All states have a legislative branch that creates state laws, an executive branch that issues state regulations in accordance with statutory authorization, and a judicial branch that applies, interprets, and occasionally overturns all of these legal provisions. States continue to have unrestricted authority to enact laws that apply to any matter not already covered by the federal Constitution, federal statutes, or international agreements ratified by the federal Senate.
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As part of a lab practical, you need to attach labels about chemical models. for the bond between amino acids, you would add a label describing that it is:________
As part of a lab practical, you need to attach labels about chemical models. for the bond between amino acids, you would add a label describing that it is: peptide bond.
Each amino acid is joined to another amino acid via a covalent bond, sometimes referred to as a peptide bond. To create polypeptide chains, amino acids are joined via peptide bonds.
A protein is made up of a lengthy chain of amino acids that are connected by peptide bonds. A water molecule is removed during a biological process that links the carboxyl group of one amino acid to the amino group of a nearby amino acid to generate peptide bonds.
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What other policy changes could you make now that would have a similarly delayed impact on crime several years from now?
Policy changes could you make now that would have a similarly delayed impact on crime several years from now: This general report-"The Challenge of Crime in a Free society--embodies all the major findings we have drawn from our examination of every facet of crime and More equal distribution of income.
Policy is a deliberate system of guidelines to guide decisions and achieve rational outcomes. A policy is a statement of intent and is implemented as a procedure or protocol. Policies are generally adopted by a governance body within an organization.
Policy is a law, regulation, procedure, administrative action, incentive, or voluntary practice of governments and other institutions. Political decisions are often reflected in resource allocation. Health can be affected by policies in many areas. The term can be applied to governments, public sector organizations and groups, and individuals. Examples of policies are presidential decrees, corporate privacy policies, and congressional rules of order. Politics is not like rules or laws.
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Kyle enjoys having philosophical discussions about the meaning of life in which he often touches upon his own sense of purpose. these discussions meet which needs for kyle?
these discussions meet spiritual needs for kyle
In order to find meaning, purpose, and value in their lives, humans have what are known as spiritual needs. While these needs can be specifically religious, even those who have no religious faith or are not members of an organized religion have belief systems that provide their lives purpose and meaning. The spiritual requirements of the patients were multifaceted. The urge to discover meaning and purpose in life was the most widely acknowledged domain. Love, tranquility, a sense of belonging or connection, and forgiveness were all extremely frequently needed. A vital part of recovery is spirituality. In times of adversity, it is a source of strength. It is fundamental to our wellbeing and improves all facets of our lives, including the physical, mental, emotional, and relationship ones.
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According to the torah, the first covenant between god and the hebrew people involved an agreement that.
The Hebrew human beings would obey the Ten Commandments. The covenant between God and Jews is the foundation for the thinking of the Jews as the chosen people.
The first covenant used to be between God and Abraham. Jewish guys are circumcised as a image of this covenant. You shall be circumcised in the flesh of your foreskins, and it shall be a signal of the covenant between me and you.
What are the covenants in the Torah?The Sabbath, the rainbow, and circumcision are the "signs" of the three notable covenants hooked up by using God at the three indispensable degrees of history: the Creation (Gen 1:1–2:3; Exod 31:16–17), the renewal of humankind after the Flood (Gen 9:1–17), and the opening of the Hebrew nation.
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https://brainly.com/question/554392#SPJ4Suppose you win free tickets to a movie plus all you can eat at the snack bar for free. would there be a cost to you to attend this movie?
Yes, because the opportunity cost of the movie is equal to the highest-valued alternative that must be sacrificed in order to attend the movie.
The opportunity cost of a specific activity in microeconomic theory is the value or benefit relinquished by engaging in that activity in comparison to participating in an alternative task. Simply put, if you choose one activity, you forfeit the opportunity to choose another. For example, the opportunity cost is the time spent taking classes and the money that could be spent on something else. A farmer decides to plant maize; the opportunity cost is sowing a different crop or using the resources in another way.
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You must have the ____ directory mounted on an available disk partition for any linux installation to be successful
You must have the boot directory mounted on an available disk partition for any Linux installation to be successful.
What is booting?In computers, booting is the process of turning on a computer, whether it be by software or hardware commands like a button.
A process must load software into memory for a computer's central processing unit (CPU) to be able to run it after the machine is turned on.
Methods for Booting
The Start-Up It is the initial stage that entails turning on the power.
Power On Self Test in the BIOS. It is a preliminary test run by the BIOS.
OS loading. The operating system is loaded into the main memory in this step. ...
System Utilities for loading.
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what type of help is provided by international organizations to your community?
International organization facilitates cooperation and coordination.
International organizations play a role in establishing the global agenda, mediating political negotiations, hosting political initiatives, and serving as coalition builders. They aid member countries' coordination and collaboration.
International organizations perform a wide range of diverse tasks, such as gathering data and tracking trends, offering services and support, and serving as forums for negotiation and dispute resolution . International organizations can promote cooperative behavior by offering political mechanisms through which governments might cooperate to achieve common aims.
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If this population was in hardy-weinberg equilibrium, how many short-tailed anoles would you expect to see?
0.004% of the population of short-tailed anoles would expect in hardy-Weinberg equilibrium as 96% of the population has long tails and short tails are recessive to long tails.
Scientists must watch a population for at least two generations in order to determine whether it is in Hardy-Weinberg equilibrium. Hardy-Weinberg equilibrium exists when the allele frequencies are the same in both generations of the population.
A population is not evolving when it is in Hardy-Weinberg equilibrium for a gene, and allele frequencies will not change over time. No mutation, random mating, no gene flow, an infinite population size, and no selection are the five fundamental Hardy-Weinberg suppositions.
There must be infinite population size, random mating within the population, and no evidence of evolution.
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