The four zones of a lake are characterized by the amount of sunlight they received. What differences in plants, animals, or properties are observed from these four zones?
Not all zones are photosynthetic, but the equal distribution of oxygen and nutrients allows for marine live to exist where they can experience light.
All zones are photosynthetic, but plants are mostly abundant in the top two zones for warmth while fish are in the bottom two zones to swim freely in cooler water.
Not all zones are photosynthetic, which affects the nutrients and plant and animal species that mostly exist in each zone.
All zones are photosynthetic, but their differences in oxygen levels allows for plants to be in the upper zones and fish to be in the lower zones.
Answers
The difference in plants, animals, or properties seen in the four zones of a lake is that not all zones are photosynthetic, but the equal distribution of oxygen and nutrients allows marine life to exist where they can experience light (option A).
What is a lake?A lake is a term to refer to a body of generally fresh water, which is separated from the sea. The water supply to all the lakes comes from rivers, estuaries, groundwater and precipitation on the water surface.
What are the zones of a lake?The zones of a lake are:
Coastal Zone: It is the area that is located on the shore of the lake or pond that is characterized by the large number of aquatic plants and fish that live there.Limnetic Zone: It is the area known as open water that is characterized by being made up of the euphotic zone and the deep zone.Euphotic Zone: It is the zone known as warm waters because it is located in the upper part of the Limnetic Zone. Its temperature is due to the fact that it receives direct sunlight.Deep Zone: The Deep Zone also known as the cold water region is located below the Euphotic Zone and is characterized by a low population of fish due to lack of oxygen.Benthic Zone: This zone is located at the bottom of the pond and is formed by organic sediments that are deposited there over time.Based on the above, it can be inferred that the sentence that best describes the differences between the four zones of a lake is option A.
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Related Questions
You have a friend who is keen to get start in real estate and offers to work weekends, free of charge as your assistant. Explain what would you do and why
Answers
Read this excerpt from a passage.
"Opponents of cell phone use in schools believe that cell phones are a distraction to many
students. They argue that if students have access to personal calls and texts, they will not focus on
their classwork. However, it is possible that cell phones can be advantageous for both teachers and
students. Educational applications and Internet access on smart phones are useful tools. In history
classes, for example, cell phones can be used to explore primary sources on the Internet or to find
facts about current events that are not yet in textbooks. Cell phones can also be used to increase
student collaboration, critical thinking, and personalized feedback from teachers (Biancarosa &
Griffiths, 2012). Cell phones are already enhancing some classroom experiences. According to a Pew
Research Center study, 73 percent of Advanced Placement and National Writing Project teachers
claim that their students use cell phones to complete assignments in their classrooms (Higgins,
2013)."
Which of these is the attributive phrase that identifies the source of the percentage of Advanced
Placement and National Writing Project teachers who allow students to use cell phones to complete
assignments?
Answers
Answer: Pew
Research Center study
Explanation:
The attributive phrase that identifies the source of the percentage of Advanced Placement and National Writing Project teachers who allow students to use cell phones to complete assignments is "according to a Pew Research Center study."
What is the use of a research center?An establishment created for conducting research is known by various names, including research institute, research center, research center, and research organization. Research institutions may focus on basic research or may have an applied research bent.
Washington, D.C.-based, impartial American think organization called The Pew Research Centre. It offers details on the socioeconomic problems, societal attitudes, and demographic trends influencing both the US and the rest of the world.
Studies that are timely and significant draw interest, which raises the profile of the institution as a whole. Universities attract professors, students, funding, media attention, and even donations as they become recognized for their research in particular subjects.
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4) Create a scatterplot that reflects the data in the table. (5 POINTS)
45
Age, x
Pressure, y
38
116
48
131
51
142
53
145
57
148
61
150
65
152
120
123
155
150+
145-
Blood
Pressure
135
130-
120-
1152
2
Age
Okey
Answers
Answer:
the answer is D
Explanation:
1. Assume that f is an increasing, nonnegative function on [a, b]. What can be concluded about the relationships among LRAMn f, RRAMn f, and the area on [a, b]?
2. Assume that f is a decreasing, nonnegative function on [a, b]. What can always be concluded about the relationships among LRAMn f, RRAMn f, and the area on [a, b]?
3. Prove or disprove the following statement: MRAMn f is the average of LRAMn f and RRAMn f. Give specific examples.
4. Given the function f(x) = 2x over the interval [0, 3], explain how to find a formula for the Riemann sum obtained by dividing the interval into n subintervals and using the right-hand endpoint for each ci. Then take a limit of these sums as n approaches infinity to calculate the area under the curve over the interval.
Answers
If f is an increasing nonnegative function on [a, b], then we can conclude that LRAMn f will underestimate the area under the curve, while RRAMn f will overestimate it. This is because as the partition size decreases, the left endpoints of the subintervals will fall on points where f(x) is less than its maximum value on the interval, while the right endpoints will fall on points where f(x) is greater than or equal to its minimum value on the interval. Therefore, the area of each rectangle in the Riemann sum for LRAMn f will be smaller than the corresponding rectangle in the Riemann sum for RRAMn f, and hence the LRAMn sum will be smaller than the RRAMn sum, but both will be less than or equal to the actual area under the curve.
If f is a decreasing nonnegative function on [a, b], then we can conclude that LRAMn f will overestimate the area under the curve, while RRAMn f will underestimate it. This is because as the partition size decreases, the left endpoints of the subintervals will fall on points where f(x) is greater than or equal to its maximum value on the interval, while the right endpoints will fall on points where f(x) is less than its minimum value on the interval. Therefore, the area of each rectangle in the Riemann sum for LRAMn f will be larger than the corresponding rectangle in the Riemann sum for RRAMn f, and hence the LRAMn sum will be larger than the RRAMn sum, but both will be greater than or equal to the actual area under the curve.
The statement MRAMn f is the average of LRAMn f and RRAMn f is false in general. To see why, consider the function f(x) = x on the interval [0, 1]. Then LRAMn f and RRAMn f are both equal to 1/n * (1 + 2 + ... + n) = (n+1)/2n, while MRAMn f is equal to 1/n * (1/2 + 3/2 + ... + (2n-1)/2) = n/2n = 1/2. Therefore, MRAMn f is not the average of LRAMn f and RRAMn f for this function.
To find a formula for the Riemann sum using right-hand endpoints for f(x) = 2x on [0, 3], we first divide the interval into n subintervals of equal length, each with width Δx = 3/n. The right endpoint of the i-th subinterval is xi = iΔx. The Riemann sum is then given by:
R_n = Δx * (f(x1) + f(x2) + ... + f(xn))
Substituting f(x) = 2x, we get:
R_n = (3/n) * (2Δx + 4Δx + ... + 2nΔx)
= (3/n) * 2Δx * (1 + 2 + ... + n)
= 3 * (1 + 2 + ... + n) / n^2
Taking the limit as n approaches infinity, we can evaluate the area under the curve as:
A = lim_{n->∞} R_n = lim_{n->∞} 3 * (1 + 2 + ... + n) / n^2
= lim_{n->∞} 3 / n * (n(n+1)/2) / n
If f is an increasing nonnegative function on [a, b], then we can conclude that LRAMn f will underestimate the area under the curve, while RRAMn f will overestimate it. Other part of the question is discussed below:
When the partition size decreases?The partition size decreases, as the left endpoints of the subintervals will fall on points where f(x) is less than its maximum value on the interval, while the right endpoints will fall on points where f(x) is greater than or equal to its minimum value on the interval.
The area of each rectangle in the Riemann sum for LRAMn f will be smaller than the corresponding rectangle in the Riemann sum for RRAMn f, and hence the LRAMn sum will be smaller than the RRAMn sum, but both will be less than or equal to the actual area under the curve.
Therefore, If f is an increasing nonnegative function on [a, b], then we can conclude that LRAMn f will underestimate the area under the curve
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, what are 5 tips for writing a successful journal entry?
Answers
Answer:
I have more then 5
Step 1: Find a Thing That Will Become Your Journal Step 2: Choose a Writing Tool Step 3: Establish a Writing Habit Step 4: Set Up a Good Writing Place Step 5: Keep Your Every Entry Dated Step 6: Write Your Entry Step 7: Be Creative Step 8: Feel the Best Moment to Stop Step 9: Reread Your Journal Entry Step 10: Conclusion
Explanation:
If you some me to explain one tell me
Please Hurry due by 11 o clock tonight!!!! In picture composition, what effect offers a depth of perspective, leads the viewer to notice subject contrasts, and plays up distance, making the spatial relationship more obvious?
A. overlapping
B. monopods
C. contrasting
D. radial composition
Answers
The effect that offers a depth of perspective, leads the viewer to notice subject contrasts, and plays up distance, making the spatial relationship more obvious is A. overlapping.
What is overlapping?When shapes overlap, they are in front of other shapes. When one shape overlaps another, it creates the illusion of depth.
The effect provides depth of perspective, draws attention to subject contrasts, and emphasizes distance, making the spatial relationship more obvious.
In art, overlapping is the placement of objects over one another to create the illusion of depth. An example is painting is a two-dimensional form of art. It is long and wide but has no depth.
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If a 50kg pers is riding a 5kg skateboard and is moving at a velocity of 16 M/S, what is the total EK of the person and the skateboard?
Answers
Answer:
The total kinetic energy (EK) of the person and the skateboard can be calculated as follows:
First, calculate the kinetic energy of the person:
EK_person = (1/2) * m_person * v^2
where m_person is the mass of the person and v is the velocity of the person.
EK_person = (1/2) * 50 kg * (16 m/s)^2
EK_person = 6400 J
Next, calculate the kinetic energy of the skateboard:
EK_skateboard = (1/2) * m_skateboard * v^2
where m_skateboard is the mass of the skateboard and v is the velocity of the skateboard.
EK_skateboard = (1/2) * 5 kg * (16 m/s)^2
EK_skateboard = 640 J
Finally, add the two kinetic energies together to get the total kinetic energy:
Total EK = EK_person + EK_skateboard
Total EK = 6400 J + 640 J
Total EK = 7040 J
Therefore, the total kinetic energy of the person and the skateboard is 7040 Joules.
Paul works in a cookie factory that is about to be closed down as the unfortunate outcome of a lengthy legal battle between multiple stakeholders.
Answers
Answer:
What exaclty is the question?
Because stakeholders may have different expectations from a corporation, there may be friction between them.
What a lengthy legal battle between multiple stakeholders?Diverse stakeholder groups' interests can collide. For instance, owners may be reluctant to see the company pay high wages to employees because they typically aim for big profits.
It will be possible to have a more fruitful debate about how to proceed after explaining to each party how their respective points of view differ from one another.
Stakeholder management is challenging because it involves a variety of people with various demands for information and expectations.
A company choice to outsource production may result in lower labor expenses.
Therefore, They might not be aware that there is a problem, in which case they might claim that it has been resolved when in fact it has not.
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You do a study of hypnotherapy to determine how effective it is in increasing the number of hours of sleep subjects
get each night. You measure hours of sleep for 12 subjects with the following results. Construct a 95% confidence
interval for the mean number of hours slept for the population (assumed normal) from which you took the data.
8.2; 9.1; 7.7; 8.6; 6.9; 11.2; 10.1; 9.9; 8.9; 9.2; 7.5; 10.5
Answers
Studies on hypnotherapy are conducted to see how effective it is at lulling patients into long stretches of sleep every night. You monitor how long you sleep...
How effective is hypnotherapy?
Hypnosis has some advantages that not everyone can experience. According to Milling, 20% of people react to it in a "big" way, while the other 20% do not respond at all. The remaining 50% to 60% of folks fall somewhere in the middle.
If you suffer from psychosis or a specific form of personality disorder, avoid using hypnosis as it may exacerbate your illness. If you suspect a personality condition, consult a doctor first.
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Simona is 15 years old and is questioning her sexual orientation, career choices, and religious beliefs. According to Erikson, Simona is experiencing the crisis of
a. evaluating their life accomplishments and shortcomings.
b. creating a legacy and caring for future generations.
c. forming committed friendships and romantic relationships.
d. figuring out who they are and who they want to be.
Answers
Answer:
The correct answer is D. According to Erikson, Simona is experiencing the crisis of figuring out who they are and who they want to be.
Explanation:
According to Erik Erikson's theory, Simona is at the stage in which the adolescent seeks to define his identity in the future, that is, the setting of the parameters that will define his criteria, thoughts, postures and positions in front of life during his life. adulthood.
Thus, adolescence is a time in which the person defines her personality, composed of her self-esteem, her identity and sexual orientation and her ideological development, that is, the time in which the main personality traits are developed.
Explain the concept of marginal utility.
Answers
1. List all the possible genotypes for each of the 4 blood types:
Туре О
Туре А
Туре В
Туре АВ
Answers
Answer:
The possible genotypes for each of the 4 blood types are:
Type O: ii
Type A: IAIA or IAi
Type B: IBIB or IBi
Type AB: IAIB
Discuss the various music styles and twentieth-century techniques that Aaron Copland absorbed and used in his works. Name his two most famous works, describing the important musical features of them.
Answers
Aaron Copland absorbed and incorporated elements of several musical styles and techniques into his compositions:
• American folk styles, including blues, jazz, cowboy songs, and Native American melodies. Copland promoted an "American" sound and incorporated folk-like melodies and rhythms, especially in works like Appalachian Spring and Billy the Kid.
• Impressionism, including dreamy textures, ambiguous harmonies, and tone painting. Works like The Garden Party and Outdoors feature impressionistic elements.
• Blocked chords, open intervals, and pandiatonicism. Copland avoided traditional harmonic progressions and melodic cadences in favor of more dissonant, angular intervals and chords.
• Rhythmic drive and machine-like ostinatos. Short, repetitive melodic phrases and pounding rhythms give works like Organ Symphony a propulsive, mechanical quality.
• Modernist techniques like atonality, polyrhythms, and aleatoric passages. Especially in his later works, Copland incorporated more complex and dissonant modern styles.
Copland's two most famous works are Appalachian Spring and Rodeo.
• Appalachian Spring features folk-like themes, blocked chords, and tone painting to evoke images of spring and rural life. It's one of Copland's most exuberant andOptimistic works.
• Rodeo incorporates jazz rhythms, bluesy melodies, and folk song references to depict scenes of rodeo life. Dance movements like "Buckaroo Holiday" and "Corral Nocturne" showcase Copland's signature punchy, machine-like rhythms.
Rodeo and Appalachian Spring exemplify Copland's ability to combine diverse musical styles into a distinctive American idiom that was innovative yet accessible. They have become classics of the American orchestral repertoire.
After reading sections 2.2, 2.3, and 2.4 in the textbook, propose two ways typically used in psychology to test the topic: the effects of marijuana on GPA (grade point average).
Make sure to clearly identify and discuss two ways this topic could be tested as well as identify the independent and dependent variables. Finally, after discussing how to test this topic, detail two possible ethical concerns.
Answers
Answer: Two ways typically used in psychology to test the effects of marijuana on GPA (grade point average) are experimental studies and correlational studies.
Experimental Study:
In an experimental study, researchers can randomly assign participants to different groups to investigate the effects of marijuana on GPA. They would need two groups: an experimental group exposed to marijuana and a control group that does not receive marijuana. The independent variable would be the presence or absence of marijuana, manipulated by administering marijuana to the experimental group and a placebo substance to the control group. The dependent variable would be the participants' GPA, which would be measured at the end of a specific time period (e.g., a semester or academic year). The researchers can then compare the GPA of the experimental group with the control group to determine the impact of marijuana on academic performance.
Correlational Study:
In a correlational study, researchers can examine the relationship between marijuana use and GPA in a naturalistic setting. They would collect data on participants' self-reported marijuana use (independent variable) and their GPA (dependent variable). This study would involve surveying a large sample of individuals, asking them about their marijuana use and obtaining their GPA records. Researchers would then analyze the data to determine if there is a correlation between marijuana use and GPA. However, it is important to note that correlation does not imply causation, and other variables (such as study habits or motivation) could be influencing the relationship.
Ethical Concerns:
Informed Consent: Researchers must ensure that participants are fully informed about the study's purpose, procedures, and potential risks and benefits before they agree to participate. Given the sensitive nature of the topic (marijuana use), participants should be made aware of any potential legal or academic consequences that could arise from their involvement in the study.
Confidentiality and Anonymity: Participants' privacy should be protected, and their data should be kept confidential. Since the study involves academic performance (GPA), researchers should take precautions to ensure that participants' identities are not revealed, especially if the study is conducted in a small community or institution.
It is important for researchers to prioritize the well-being and rights of participants throughout the study, adhering to ethical guidelines and obtaining any necessary approvals from institutional review boards or ethics committees.
Explanation:
Casual reasoning is a type of deductive reasoning associated with cognitive reasoning in general
True
Or
False
Answers
False. Casual reasoning is a type of inductive reasoning, not deductive reasoning. Inductive reasoning is a type of reasoning that involves making generalizations or predictions based on specific observations or examples. Deductive reasoning, on the other hand, is a type of reasoning that involves deriving conclusions based on general principles or premises. Casual reasoning is a type of inductive reasoning that is associated with cognitive reasoning in general, not deductive reasoning.
4. The toxicity of a substance depends on 5 major factors. Name each and then describe it in your own words.
Answers
Answer:Therefore, the role of these factors in the toxicity of chemicals will be considered in this chapter at length. These factors are: (i) water temperature, (ii) dissolved oxygen, (iii) pH, (iv) salinity, (v) water hardness, and (vi) suspended and dissolved substances.
Explanation:
List 10 Personal Finance Commandments
Ps can’t be directly from the internet because the teacher said it’s plagiarism
Answers
1. Live within your means at all times.
2. Set a spending limit and cleave to it.
3. Put up at least 10 of your payment for withdrawal and unanticipated charges.
4. Steer clear of debt, especially credit card debt with high interest rates.
5. To increase your plutocrat, make long- term investments.
6. To reduce threat, diversify your investing portfolio.
7. Review and modify your investing portfolio on a regular base.
8. Before making a purchase, shop around for the stylish offers and compare rates.
9. Avoid impulsive purchases and meaningless spending.
10. To make wise selections, educate yourself on particular plutocrat issues.
Digital cameras make it easy to experiment when photographing an object, person, or place.
True
False
Answers
Answer:
True
Explanation:
Answer:
true
Explanation:
Chemical weathering occurs when minerals in rocks are changed chemically. Which of these will most likely change the rate of chemical weathering on a rock?
Group of answer choices
a. increase in rainfall amounts
b. slow movement of a glacier
c. rapid growth of plant roots
d. decrease in air temperature
Answers
Answer:
increase in rainfall amounts.
Explanation:
The one that is most likely to change the rate of chemical weathering on a rock is an increase in rainfall amounts. The correct option is a.
What is chemical weathering?Because the minerals present in rocks can change when they are exposed to substances like oxygen, carbon dioxide, and acids, it is the process by which rocks are broken down by chemical processes.
Accordingly, this type of rock breaking occurs as a result of chemical processes, as opposed to physical weathering, in which the rock breaks naturally without enduring any changes to its chemical composition.
It follows that physical weathering is the fragmentation of it without modifying its chemical or mineralogical composition, whereas chemical weathering is the chemical composition, according to the research.
Therefore, the correct option is a. increase in rainfall amounts.
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"Colonialism is morally wrong because the greater good of
European settlers disproportionately outweighed the greater good
of the indigenous people."
To which theory of ethics is the person who made this statement
likely appealing?
O a.) Egoism
O
b.) Utilitarianism
Oc.) Conventionalism
d.) Kantian deontology
Answers
The theory of ethics that the person who made the statement is likely appealing is; A: Egoism
What are the terminologies in colonialism?The given statement about colonialism is that;
Colonialism is morally wrong because the greater good of
European settlers disproportionately outweighed the greater good
of the indigenous people."
Now, this statement is from a mind that feels their interests are being taken away by European settlers and as such this kind of thinking is referred to as Egoism which is an ethical theory that treats self-interest as the foundation of morality.
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QUESTION:
What was a major cause of the French and Indian War?
ANSWER CHOICES:
A. Overlapping claims of territory West of the Appalachian Mountains by the French and the British
B. Overlapping claims of territory West of the Appalachian Mountains by the Portuguese and French
C. Overlapping claims of territory West of the Appalachian Mountains by the French and Chinese Empire
D. Overlapping claims of territory West of the Appalachian Mountains by the Native Americans and Portuguese
Answers
Answer:
A. Overlapping claims of territory West of the Appalachian Mountains by the French and the British
Explanation:
What are non-examples of an audience?
Answers
What is the role of the budget constraint in utility maximization process?
Answers
Answer:
Utility Maximizing RulesBudget constraints — These constraints determine the opportunity set boundary, that is, all possible combinations of goods and services that a consumer can afford given the price and income.Explanation:
if it helped uh please mark me a brainliest :-))a are essential oils really helpful?
Answers
Answer: yes they are really helpful if your'e sick, or have mental problems
Explanation:they reduce pain and anxiety,
Explain the complexity of the social system in St. Domingue on the eve of the Haitian Revolution in 1791, particularly in regard to the causes of this conflict.
Answers
Answer:
During French colonization, Saint Domingue was populated by three classes of inhabitants, divided by the color of their skin. The white colonists at the top, the mulattoes and free blacks in the middle; the black slaves at the bottom.
Is the NSHSS a scam?
Answers
Answer: Yes, it is.
Explanation: Many college counselors and advisors have warned against falling for this scam. The NSHSS states that in order to access the potential scholarships, you have to pay to join it. That's simply not true, as no legit scholarship will ever require you to pay to apply for it.
Answer:
Yup
Explanation:
This is one of those advertisements that can scam you for your money even though they say everything is free. Be careful
Determine the purchase price of a computer, according to the data below: Residual value: $2,000, Useful life: 5 years. Annual depreciable amount: $1,200.00.
1- $ 8.000,00
2- $ 8.200,00
3- $ 8.500,00
4- $ 8.750,00
5- $ 8.400,00
Answers
Answer:
1- $8000
Explanation:
C = 1,200x+ 2000
C= 1,200(5) +2000
C= 6,000 + 2000
C= 8,000
the soil of a former industrial site is polluted with pcbs and when it rains, the pollution runs off into local streams. funds could be allocated to restore this site through which law?
Answers
Which fundamental principle of American democracy is reflected in the image?
Federalism
Judicial review
Separation of powers
Representative government
Answers
Which is most like the movement of blood in a human being
Answers
Answer:
Blood is carried through the body in blood vessels, or tubes, called arteries and veins. The process of moving blood through the body is called circulation. Together, the heart and vessels make up the cardiovascular system.
Explanation: