neils bohr's contribution to modern atomic theory was the proposition that -
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Niels Bohr's contribution to modern atomic theory was his proposition of the Bohr model, which introduced the concept of quantized energy levels for electrons and explained the observed spectral lines of elements.
Niels Bohr made significant contributions to modern atomic theory, particularly with his proposition of the Bohr model of the atom.
His model proposed that electrons exist in specific energy levels or shells around the nucleus of an atom and that electrons can transition between these energy levels by absorbing or emitting energy in discrete packets called quanta or photons.
Bohr's key proposition was that electrons orbit the nucleus in fixed energy levels or orbits, with each energy level having a specific energy value.
These energy levels are quantized, meaning that electrons can only occupy certain discrete energy states and not the spaces in between. When electrons transition between energy levels, they either absorb energy and move to a higher energy level (excitation) or release energy and move to a lower energy level (emission).
Bohr's model explained the observed spectral lines of hydrogen and other elements, which were previously unexplained by classical physics. It provided a theoretical framework that linked the behavior of electrons to the emission and absorption of light, laying the foundation for understanding atomic structure and the concept of quantization in quantum mechanics.
Furthermore, Bohr's model paved the way for further advancements in atomic theory and quantum mechanics, serving as a stepping stone for subsequent models, such as the quantum mechanical model proposed by Schrödinger and others.
While Bohr's model has since been refined and expanded upon, his proposition of quantized energy levels and electron transitions revolutionized our understanding of the atom and set the stage for the development of modern atomic theory.
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Related Questions
What first brought French explorers to the region of present-day Mississippi? They were setting up a string of forts in the Mississippi Valley to block British expansion. They were searching the Gulf Coast for deepwater ports where they could build trading cities. They were traveling on the Mississippi River in search of a trade route across North America. They were trying to locate enslaved people who had escaped from French colonies in the Caribbean.
Answers
Answer:
They were traveling on the Mississippi River in search of a trade route across North America.
Explanation:
From the period of 1699-1763, the Mississippi beam a part of the French revolution of the Louisianan here the French explored the region and made military outposts. They sort to establish a profitable economy. When Cavalier de La Salle, took the area for France during his voyage into the Mississippi River. They travelled through the Mississippi and made peace with other regions and travelled the Gulf of Mexico.
1. What effect did nationalism and imperialism have on some European countries in the 1800s?
A: led them to expand their empires
B: reduced profits on factory-made goods
C: decreased feelings of patriotism
D: led to political unrest among citizens
2. How many Europeans feel about the effects of imperialism in their colonies?
A: They felt that people in the colonies wanted to become English citizens.
B: They felt that people in the colonies were worse off better due to European influence.
C: They felt that people in colonies were worse off than colonization.
D: They felt that there were no benefits to the colonies.
3. Why are Cecil Rhodes's ideas about English superiority considered to be opinions rather than facts?
A: They can be proven true.
B: They cannot be proven true.
C: Rhodes never really claimed English superiority.
D: They are facts, not opinions.
4. Which of the following areas was most affected by imperialism in the 1800s?
A: North America
B: South America
C: Eastern Europe
D: Africa
5. How might King Leopold's rule of the Congo be described?
A: fair
B: cruel
C: peaceful
D: friendly
6. What relationship did China have with Europe before the 1800s?
A: violent opposition
B: free access
C: limited trade
D: forced cooperation
7. What did the Chinese mean when they said that China was the "Middle Kingdom"?
A: It was the center of civilization.
B: It was located in the middle of Asia.
C: It was neither the largest nor the smallest country.
D: It was at the midpoint of all ocean trade routes.
8. How did the Qing dynasty prevent China from becoming modernized?
A: It limited opportunities for learning.
B: It stopped all trade with all other countries.
C: It isolated China from European influences.
D: It insisted that the Chinese return to ancient traditions.
9. What was the result of the first Opium War between Britain and China?
A: Britain took Hong Kong and forced China to open five treaty ports.
B: China forced Britain out of Asia.
C: Britain occupied Beijing.
D: Millions of Chinese people died.
10. What changes occurred in Japan after the Meiji emperor came to power?
A: The country focused on technology and modernization.
B: Japanese shotguns took control of the government.
C: China and Japan worked together to keep out Western ideas.
D: The government became a victim of Western imperialism.
11. Which of the following countries was most influenced by Western ideas?
A: China
B: Japan
C: Hong Kong
D: Korea
12. Why did Germans and Italians want to create their own nations?
A: They wanted to have their own colonies in America.
B: They were unhappy with the Catholic Church.
C: They had no common languages or customs.
D: They felt a strong sense of nationalism.
13. What country served as a role model for Germans and Italians?
A: Greece
B: France
C: Austria
D: Turkey
14. How did Prussia help create a unified German empire?
A: set up a democratic system of government
B: negotiated deals with several other countries
C: defeated neighboring countries in wars
D: inspired Germans to rise up and overthrow their rulers
15. Which of the following was NOT a leader in the nationalist effort to unify Italy?
A: Giuseppe Mazzini
B: Wilhelm II
C: Camillo di Cavour
D: Giuseppe Garibaldi
16. How are British dominions different from other independent nations?
A: Dominions are self-governing nations.
B: They overthrow their rules to form new nations.
C: Dominions still have ties with the ruling nation.
D: They won their independence through war.
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Answer:
1. A
3.B
5.B
9.A
Why is it important that no one is above the law? Explain
Answers
Answer:
It is important that no one is above the law. One should not have too much power or there can be consequences. If someone were above the law, this person would be free to do whatever he/she wanted without any consequences.
1. A local billiards tournament had five participants named John, Paul, George, Pete, and Ringo. Use the following information to determine the order in which each participant finished the tournament (Justify your conclusions):
a) Paul had once beaten the winner at tennis.
b) John and Pete frequently played cards together.
c) Ringo's finish ahead of Pete was totally unexpected.
d) The player who finished fourth left the tournament after his match and did not see the last two games.
e) The winner had not met the player who came in fifth prior to the day of the tournament.
f) The winner and the runner-up had never met until Ringo introduced them just before the final game.
Answers
The order in which the participants finished the tournament is as follows: Paul, George, Ringo, John, Pete. Here is the justification for each placement: a) Paul had once beaten the winner at tennis.
- Since Paul beat the winner at tennis, it can be assumed that he is the most skilled player. Hence, Paul won the tournament. b) John and Pete frequently played cards together. - Since John and Pete played cards frequently, it can be assumed that they are friends and have similar skills. Since John came fourth, Pete came last.c) Ringo's finish ahead of Pete was totally unexpected. - As per the given information, it was unexpected that Ringo would finish ahead of Pete.
However, since Pete came last, it is safe to assume that Ringo finished ahead of him.
d) The player who finished fourth left the tournament after his match and did not see the last two games.
- John finished fourth and left the tournament after his match. Hence, he did not see the last two games.e) The winner had not met the player who came in fifth prior to the day of the tournament. - Since the winner had not met the player who came in fifth, it is safe to assume that the player who came fifth was Ringo.f) The winner and the runner-up had never met until Ringo introduced them just before the final game. - As per the given information, it is clear that George is the runner-up and hence, he came second.
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describe how two human activities, other than those that result in anthropogenic climate change, have resulted in a decrease in the amount of freshwater flowing into the everglades ecosystem. (b) in addition to water quantity problems, the everglades is faced with a variety of water quality i
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Two human activities that have resulted in a decrease in the amount of freshwater flowing into the everglades ecosystem are urbanization and agriculture.
Urbanization involves the building of cities and towns which increases the amount of impermeable surfaces such as roads, parking lots, and buildings that prevent rainwater from soaking into the ground and replenishing the water table.
Agriculture, on the other hand, involves the use of fertilizers and pesticides which can leach into the waterways and pollute the freshwater supply.
Agricultural runoff and urban stormwater runoff can contain high levels of nutrients such as nitrogen and phosphorus which can cause harmful algal blooms in the water.
In addition, the everglades also faces contamination from heavy metals, pesticides, and other pollutants that can harm the ecosystem and pose a risk to human health.
Overall, the everglades requires careful management to ensure both the quantity and quality of its water supply is maintained.
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Who Was Elizabeth Woodville and how does she impact English
history during the Wars of the Roses [1453-1485]? Especially the
very aspect of her marriage & impact on the Tudor monarchy.
Your respon
Answers
Elizabeth Woodville was the Queen consort of England and the wife of King Edward IV during the Wars of the Roses.
Her marriage to Edward IV had a profound impact on English history, particularly in relation to the Tudor monarchy. As a commoner and the daughter of a knight, her marriage to the king was seen as a controversial move that brought her family, the Woodvilles, into positions of power and influence.
Elizabeth's marriage alliance with Edward IV helped strengthen the Yorkist claim to the throne, as her family brought political connections and support. This support played a crucial role in Edward IV's reign and the stability of the Yorkist regime. However, her marriage also created divisions and resentment among the nobility, as they viewed the Woodvilles' rising influence with suspicion.
One of Elizabeth's most significant impacts on the Tudor monarchy was through her children. She gave birth to several children, including two sons who became known as the Princes in the Tower. Their disappearance and presumed murder had long-lasting consequences for the succession of the throne and the stability of the Tudor dynasty.
Elizabeth's daughter, Elizabeth of York, later married Henry VII, the first Tudor monarch. This marriage symbolically united the warring factions of Lancaster and York, bringing an end to the Wars of the Roses and establishing the Tudor dynasty.
In summary, Elizabeth Woodville's marriage to Edward IV had a significant impact on English history. Through her marriage alliance, family connections, and the legacy of her children, she played a pivotal role in shaping the Tudor monarchy and the course of English politics during the Wars of the Roses.
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Anyone know??????????????
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Explanation:
I had this question before
Suppose the koala's population keeps declining and they eventually become extinct. What would be some consequences to their extinction? How would their extinction affect the balance of the ecosystem?
Describe these consequences in complete sentences. Make sure to explain your thinking. A 3 - 5 sentence
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Answer:
Each time a species goes extinct, the world around us unravels a bit. The consequences are profound, not just in those places and for those species but for all of us. These are tangible consequential losses, such as crop pollination and water purification, but also spiritual and cultural ones.
Questions to consider (when preparing to act)
- What is the action/decision that the protagonist believes is right?
- What is at stake or at risk for the key parties? For us?
- What are the main arguments against this course of action?
- What are the reasons & rationalizations we will need to address?
- What are our most powerful and persuasive responses to reasons/rationalizations?
- To whose should the argument be made? When? It what context? What data is needed? What allies? Etc.
Answers
When preparing to act, here are some questions to consider:
1. Whatthe action/decision that the protagonist believes is right? - Clearly define the desired action or decision that the protagonist believes is the course of action. This sets the foundation for understanding their perspective and motivation.
2. What is at stake or at risk for the key parties? For us?
- Identify the potential consequences and risks involved for all relevant parties. This includes understanding the potential impact on the protagonist, other stakeholders, and the broader context in which the action is taking place.
3. What are the main arguments against this course of action? - Identify the primary counterarguments or objections that may arise against the proposed action or decision. Understanding the opposing viewpoints will help anticipate challenges and strengthen the protagonist's position.
4. What are the reasons and rationalizations we will need to address?
- Identify the underlying reasons and rationalizations that may be used to oppose the protagonist's action or decision. This involves analyzing the motivations and justifications of those who may object and developing strategies to counter or address them.
5. What are our most powerful and persuasive responses to reasons/rationalizations? - Prepare strong and compelling responses to the reasons and rationalizations against the proposed action. This includes gathering supporting evidence, logical reasoning, and persuasive arguments to effectively address objections and build a convincing case.
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naja influences her partner's decisions and seems always to get what she wants. however, it seems her partner's goals are abandoned in order to do so. what is naja demonstrating?
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Naja is demonstrating coercive control, a form of psychological abuse where one person attempts to control and manipulate their partner by intimidation, threats, or other manipulative behavior. This behavior can be difficult to recognize, as it can often be disguised as an expression of love and care. Naja is attempting to influence her partner’s decisions in order to get what she wants, but in the process, her partner’s goals and desires are disregarded and replaced with her own.
Coercive control can be damaging to the victim, as it erodes their sense of autonomy, independence, and self-worth. Victims of this kind of abuse often feel afraid, powerless, and controlled by their partner. In addition, coercive control can lead to long-term emotional damage, as it can significantly damage one's sense of identity and sense of self.
Therefore, it is important to recognize and address this kind of behavior as soon as possible in order to protect both parties involved.
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Discuss different trade policies that are currently enacted and if they should be updated in some way. Then create your own policy about an area in the economy that is currently not addressed in current trade policies.
The wrong answer will be reported
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Current trade policies in the US are supported by transparency and non-discriminative trading activities. Currently, the scope of Web 3.0 is not included in the trade policies of the US economy.
What is a trade policy?A policy, which is implemented regarding international trade and commerce by a national government, which is aimed at growth and development of trade in its economy, is known as a trade policy.
Hence, the significance of a trade policy is aforementioned.
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Which group was at the highest level of the caste system
Answers
Answer:
Brahmans, those at the highest level of the caste system, were typically priests, earthly gods, religious leaders, or teachers.
Explanation:
If there are three flags on a flagpole, which is on the top?
State Flag
Country Flag
County flag
City flag
Answers
Answer:
I think it is the Country Flag
Answer:
It is the country flag.
Explanation: It is the country flag because a city is just part of a county. Then a county is part of a state and a state is part of the country and the country is the whole nation that goes before states, counties, and cities.
____________________ is the study of how sociocultural norms and contexts shape language use in society.
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Sociolinguistics is the study of how socio-cultural norms and contexts shape language use in social system. The way someone articulates in various languages shapes how they analyze the globe.
Sociolinguistics is the study of language since it links to the social system and other contexts including gender, age, belief, social class and type, education, profession, ethnicity, and identity. Like culture, language is also constantly switching.
It acknowledges that individuals use language and that language is a part of society. It explores the connection between language and culture, between the benefits of language, and the social structures in which the practitioners of language actually live.
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The ""other"" is a group status of privilege that individuals and groups in power place upon a different group and its members who pose a threat to the minority group or for those who fit into society. True or False
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It is completely inappropriate to mention that ''Other'' is a group status of privilege enjoyed by the individuals and groups in powerplace upon different groups, thereby posing a threat to minority group, or those who fit into the society. Thus, the said statement holds false.
The groups may be ideally taken into interpretation as the amalgamation of individuals, who enjoy certain status through their existence in the society. However, this status is generally lower or weaker when the groups are defined as ''others''. Hence, the ''other'' groups also tend to representation of being minorities as well.
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PLEASE HELP 50 POINTSAND BRAINLY TO CORRECT ANSWER
Claim 1: The sediment that formed the Great Plains came from the rock of the Rocky Mountains.
Claim 2: The magma that formed the Rocky Mountains came from the rock of the Great Plains.
Choose the claim that is best supported by evidence, explaining why the rock of the Rocky Mountains and Great Plains have surprisingly similar mineral compositions.
Restate the QUESTION
State your CLAIM
Use at least THREE PIECES of evidence to support your claim
Add REASONING to support your evidence and explain how it is relevant to your claim and to science.
Be sure to use correct GRAMMAR and PARAGRAPH FORM (spelling does not count)
Answers
Based on Claim 1 which states "sediment that formed the Great Plains came from the rock of the Rocky Mountains" and Claim 2 which states "magma that formed the Rocky Mountains came from the rock of the Great Plains", the claim that is best supported by explaining why the rock of the Rocky Mountains and Great Plains have surprisingly similar mineral compositions is Claim 1.
What is sedimentation?A sedimentation refers to the geographical process of accumulation or deposition of the minerals and organic particles from the earth's surface; this process results in the formation of sedimentary rocks.
The process of weathering or erosion of rocks by wind, water or other chemicals leads to the geological debris which then move to other places deposits somewhere.
The rocks in the rocky mountains undergo erosion and the mass movements created by wind or water leads to the sedimentation of these rocky solids to other places. The rocks in the Great plains reached there by the mass movement of the rocks of rocky mountains. Hence, the Claim 1 is correct.
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What are some differences and similarities between the Declaration of Independence and the declaration of the Rights of Man.
Thank You so much. PLEASE HELP GUYS IT IS DUE TONIGHT
Answers
Answer:
In the Declaration of Rights of Man and Citizen says that all people have the right to choose laws. ... In the Rights of Man and Citizen it says nothing about taxation without representation being legal or illegal, while the Declaration of Independence says that it is illegal.
if you are unable to pass through an intersection before the light changes to red, what should you do?
Answers
Answer: slow down and stop
Explanation: Often times you should wait until the light changes back to green.
Answer:
Not enter the intersection!!!!
Explanation:
I swear to god this will save your life do not enter in this situation.
I will give a brainliest if you can help me
1. improved the sewing machine
John J. Audubon
2. studied and wrote about birds
Alexander Graham Bell
3. invented the telephone
Isaac Singer
4. invented the wireless
Guglielmo Marconi
Answers
Answer:
1. improved the sewing machine - Isaac Singer
2. studied and wrote about birds - John J. Audubon
3. invented the telephone - Alexander Graham Bell
4. invented the wireless - Guglielmo Marconi
Explanation:
Singer is famous for improving the sewing machine and established Singer Sewing Machine Company
Audubon is the famous American ornithologist who was researching about bird species.
Bell was a famous American inventor who invented telephone in 1876.
Marconi was one the most famous inventors of first half of 20th Century, who won Nobel Prize for his work.
Identify some of the Challenges faced by each of the economic sectors. suggest remedial measures of each.
Answers
Answer:
Energy and environmental issues
12. Which of the following events would represent a victory for al-Qaeda?
(8 Points)
.
The United States withdrawals are diplomats from the Middle East
The United States increases foreign aid to Israel
The United States formally declares an end to the war on terror
The United States elect a Muslim president
Answers
Answer:
The United States withdrawals are diplomats from the Middle East
Explanation:
US History
An example of a colony founded for economic freedom is .
Answers
Answer:
Georgia
Explanation:
Answer:
Georgia
Explanation:
Question being ask: An example of a colony founded for economic freedom is...
Answer: Georgia
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on the spiritual pilgrimage continuum as a person moves through the stages: no awareness, initial awareness, deeper awareness, realization, point of salvation, discipleship and multiplication; at which stage is sport ministry effective?
Answers
Sport ministry can be effective at all stages of the spiritual pilgrimage continuum.
At the initial awareness stage, sport ministry can help to introduce people to faith and create an atmosphere in which they can begin to explore spiritual concepts. At the deeper awareness stage, sport ministry can provide a platform for people to engage in meaningful conversations about faith and to examine the implications of their beliefs. At the realization stage, sport ministry can provide a supportive environment in which people can develop a personal faith and begin to make spiritual decisions. At the point of salvation stage, sport ministry can provide an opportunity for people to respond to the gospel and make a commitment to follow Jesus. At the discipleship and multiplication stages, sport ministry can provide a platform for people to share their faith and invite others to explore a relationship with Jesus.Learn more about spiritual pilgrimage at: https://brainly.com/question/29561187
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Prepare a sample news story covering the importance of population education.
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As the world's population continues to grow at an unprecedented rate, education about population dynamics has become more important than ever. In many countries, including the United States, population education is not a standard part of the school curriculum, but experts argue that it should be.
...
What is population education. ?Generally, Population education is an interdisciplinary field of study that focuses on understanding and responding to population growth and its impacts on the environment, society, and economy. It draws on the social sciences, natural sciences, and humanities to provide an integrated approach to understanding population dynamics and the effects of population growth.
Population education addresses the issues and challenges posed by population growth, including poverty, inequality, environmental degradation, and resource scarcity. It also explores the opportunities offered by population growth, such as improved health, expanded economic opportunities, and increased access to education.
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use the dimensions of warmth and control to describe the four major types of parenting. which style seems to promote the best development in children? explain.
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The dimensions of warmth and control are commonly used to describe the four major types of parenting. These dimensions are also referred to as parenting styles.
Authoritative parenting: This style is high in both warmth and control. Authoritative parents are warm, responsive, and supportive, but also have clear rules and expectations for their children. They encourage independence and self-regulation, but also provide guidance and discipline when necessary. This style is often considered to promote the best development in children, as it provides structure and support while also allowing children to develop autonomy and self-esteem.
Authoritarian parenting: This style is high in control but low in warmth. Authoritarian parents are highly demanding, but not very responsive or supportive. They often use harsh discipline and expect obedience without explanation. This style can lead to children who are obedient but lack autonomy, creativity, and self-esteem.
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combination of more than three businesses that produce unrelated goods
and services
Answers
Answer:
conglomerate
Explanation:
A conglomerate is a business combination merging more than three businesses that make unrelated products.
How did society originate?
Answers
Answer:
surviving of what they need
aerial photographs
What is one advantage of maps over aerial photographs as a way of understanding Earth's surface?
Answers
Answer:
Photographs show only the most important features for a given purpose
Explanation:
This is because photographs can focus on landmarks in the area and not the continent's shape or nature present. In other words, aerial photographs focus on buildings and human made structures while maps do not.
Based on your understanding of citizenship, create a new definition for this term in contemporary american society. what is an american citizen, in your opinion? give examples to support your definition. your paragraph should be at least 150 words.
Answers
In order to write a paragraph about his vision of citizenship in contemporary American society, it is necessary to analyze the structure of society and its needs.
What is citizenship?It corresponds to the civil and political rights of a State to which an individual is entitled. Every individual should think broadly about the term, that is, about their responsibility for the development and maintenance of social well-being, through ethical behavior, promotion of sustainability, political participation, etc.
Therefore, citizenship is related to the rights and duties of a population whose individual actions are capable of affecting the community and promoting quality of life in different aspects of social life.
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The fertile period of stored sperm is:
A. Three (3) days
B. Forty to sixty (40 - 60) days
C. Two (2) days
D. Twenty (20) weeks
E. Forty to sixty weeks.
Answers
Answer:
Explanation:
The fertile period of stored sperm refers to the length of time that sperm can remain viable and capable of fertilizing an egg after ejaculation. Sperm are produced in the testicles and stored in the epididymis, where they mature and gain the ability to swim. Once released during ejaculation, sperm can survive in the female reproductive tract for a limited period of time.
The fertile period of stored sperm is generally considered to be up to five days, although this can vary depending on factors such as the quality of the sperm and the conditions of the female reproductive tract. This means that if a woman has intercourse up to five days before ovulation, she may still become pregnant because the stored sperm can fertilize the egg when it is released.
Therefore, the correct answer to the question is A. Three (3) days. While sperm can remain viable for up to five days, the most fertile period is within three days of ovulation. It is important for individuals who are trying to conceive or prevent pregnancy to be aware of the fertile period and use appropriate methods of contraception or fertility tracking to achieve their goals.
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