The anatomical changes that we would expect to see in the given illustration is; D: larger brain cavity; smaller teeth
What are anatomical changes?From the given question, we see that homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons.
Now, this specie had lower jaw with all the teeth and so were human like. The massive jaw was ape-like. He used tools and fire. The cranial capacity is believed to be about 1300 cc which is intermediate between pithecanthropines and nearnderthals.
Thus, we can conclude that the anatomical changes we expect to see are larger brain cavity; smaller teeth.
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What is the [oh⁻] of a 1. 40 m solution of pyridine (c₅h₅n, kb = 1. 70 × 10⁻⁹)?
Based on the calculations, the pOH of a 1. 40 M solution of pyridine (C₅H₅N) is equal to 4.5.
How to determine the pOH of the buffer solution.First of all, we would write a properly balanced chemical equation for this chemical reaction:
Py(aq) + H2O(l) ⇄ HPy⁺(aq) + OH⁻(aq)
Initial cond. 0.50 0 0
-x x x
At equib. 0.50-x x x
From the ICE table, the Kb for this chemical reaction is given by:
Kb = x²/0.50
1.7 × 10⁻⁹ = x²/0.50
x = [OH⁻] = 2.9 × 10⁻⁵
Now, we can calculate the pOH:
pOH= -log(2.9 × 10⁻⁵)
pOH = 4.5.
For the pH, we have:
pH= 14 - 4.5
pH = 9.5.
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Which reasons support this claim? choose three answers. youth lacrosse consists of four ten-minute quarters. the school lacrosse club has thirty-five regular attendees. funding is available for one sport to be added. sporting goods stores often sell lacrosse sticks. other high school lacrosse teams are seeking opponents.
The statement which supports the claims from the provided options are similar to the option shown in 2,3 and 5.
The school lacrosse club has thirty-five regular attendees. Funding is available for one sport to be added. Other high school lacrosse teams are seeking opponents.Which reasons support this claim?In the problem of reasons and claim, the appropriate reasons have to be found out for the provided claim.
Let's check all the options to find the reasons which support this claim,
Youth lacrosse consists of four ten-minute quarters-No, this game take 32 minutes, with four eight-minute quarter.The school lacrosse club has thirty-five regular attendees-Yes, this reason is correct.Funding is available for one sport to be added- This claim is also correct as funding is available for one sport to be added.Sporting goods stores often sell lacrosse sticks- No they do not often sell lacrosse sticks.Other high school lacrosse teams are seeking opponents-this statement is also correct as per the claim.Thus, the statement which supports the claims from the provided options are similar to the option shown in 2,3 and 5.
The school lacrosse club has thirty-five regular attendees. Funding is available for one sport to be added. Other high school lacrosse teams are seeking opponents.Learn more about the reasons and claim here;
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Answer:
2,3,5
Explanation:
I took the quiz and these are right. :)
Acetylene, c2h2 c 2 h 2 , can be converted to ethane, c2h6 c 2 h 6 , by a process known as hydrogenation. the reaction is c2h2(g)+2h2(g)⇌c2h6(g) c 2 h 2 ( g ) + 2 h 2 ( g ) ⇌ c 2 h 6 ( g ) given the following data at standard conditions (all pressures equal to 1 atm a t m and the common reference temperature 298 k k ), what is the value of kp k p for this reaction?
The value of the Kp is obtained from Kp = p.C2H6/p.C2H2 * pH2^2 as 1.
What is Kp?The Kp is the equilibrium constant for a gas phase reaction we have to put down the equation for the Kp here as; Kp = p.C2H6/p.C2H2 * pH2^2.
We are told here that all the pressures are equal to 1 atm hence we substitute values; Kp = 1/1 ( (1)^2 =1
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Rachel is an excellent high school student who earns high grades in challenging classes. she has recently been hired as a part-time lab assistant at a medical clinic. she is concerned that the job will affect her school performance.
Stereotype threat can cause Rachel to lower her academic and work performance due to the high expectations and pressure placed on her.
What is stereotype threat?Stereotype threat is a concept that refers to a psychological theory in which it is stated that when a person unconsciously assumes the negative aspects of stereotypes linked to their condition, they can have a significant negative impact on their academic or labor performance.
According to the above, it can be inferred that Rachel can lower her job performance because society has a stereotype of her as a student with very good grades, giving her pressure to perform excellently at work.
However, academic success does not mean that Rachel can achieve the same results on the job, and this stereotype can cause her to perform poorly at work.
Note: This question is incomplete because there is some information missing. Here is the complete information:
Provide a specific example that clearly illustrates how each of the following would inhibit Rachel's success from her at her new job.
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Complete these structures by adding electrons, in the form of dots, as needed.
The Complete structures that has been done by adding electrons, in the form of dots is given in the image attached.
What is the Lewis Dot Structure?This is known to be the way that Scientist uses in showing chemical structures to stand for some key characteristics of the molecules.
Note that Lewis dot structures compose of a pair of electrons that is said to be shared by two atoms which is depicted by a line called a bond.
Conclusively, Unpaired valence electrons in this structure are shown by dots found externally on the atom known as lone pairs.
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Look for and express regularity in repeated reasoning
Explanation:
They continually evaluate the reasonableness of their intermediate results. Upper elementary students might notice when dividing 25 by 11 that they are repeating the same calculations over and over again, and conclude they have a repeating decimal.
GOOD LUCK :)
Read the passage. then answer the question that follows. brutus. o antony, beg not your death of us! though now we must appear bloody and cruel, as by our hands and this our present act you see we do, yet see you but our hands, and this the bleeding business they have done. our hearts you see not; they are pitiful; and pity to the general wrong of rome— as fire drives out fire, so pity pity— hath done this deed on caesar. for your part, to you our swords have leaden points, mark antony. –the tragedy of julius caesar, william shakespeare which line supports the central idea that antony does not understand the conspirators’ motives? "antony, beg not your death of us!" "you see we do, yet see you but our hands, and this the bleeding business they have done." "our hearts you see not; they are pitiful; and pity to the general wrong of rome" "to you our swords have leaden points, mark antony."
The line that supports the central idea that antony does not understand the conspirators’ motives are; Options A, D & E
What is the central idea about the passage?The central ideas about the conspirators in the speech are as follows:
They are sad about their bloody deed: in the speech of Brutus feels sad after seeing the bloody hands and other parts.They had to kill Caesar to save Rome: the speech of Brutus clearly claims that Caesar must be killed to save Rome, this is due to their actions.Antony does not understand the reasons for the assassination: in the speech of Brutus, it is seen that as per the arguments it is clear that Antony is still not clear about the reason for such a bloody murder.
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Answer:
its C on edge 2022
Explanation:
Fill in the blank with the correct form of the present perfect tense. ramona ______________________ bastante para el examen de ciencias. estudiar estudiado ha estudiado ha estudiando
The corrrect sentence here is 'Ramona ha estudiado bastante para el examen de ciencias'. It is a verb form.
What is the present perfect tense?The present perfect tense is a verb form used to describe past events and/or situations that have been present.
In this case, the Spanish present perfect tense is written as 'ha estudiado' (she has studied).
The Spanish verb 'estudiar' means 'to study' in English (in this case, Ramon 'ha estudiado').
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Answer: C - ha estudiado
Explanation: Edge 2023
Women’s style of communication has often involved ____________.
Answer:
According to the passage, women’s style of communication has often involved understanding other's emotions.
Explanation:
What happens to standard deviation as sample size increases
Standard deviation decreases
Explanation:Definitions
Sample size is the number of data points or the range of data points in a given model. On the other hand, standard deviation is defined as the average distance a data point is from the mean of the data. As the sample size increases, the spread of information decreases. This means that the standard deviation also decreases.
Examples
For example, if a data set were to be made of the test scores of one class, the standard deviation would be spread across the grades from 0 to 100. However, if the data is collected from an entire grade, more people would be near the middle and there would be fewer outliers. For this reason, the standard deviation would decrease.
After it experiences a "helium flash" a star like the sun will have a brief period of stability, fusing helium into carbon (and sometimes oxygen). during this brief stable stage, the star
After it experiences a "helium flash" a star like the sun will not experience None of the answer options.
What occurs after a helium flash?After there is the burning of helium as it starts this is said to be explosive in nature or occur as a flash, etc. the Helium is said to burn into carbon, and carbon is said to be fused or combines with helium to create oxygen.
Note that helium flash of a star do not experience increase tremendously in luminosity as well as the other options given.
See full question below
After it experiences a "helium flash" a star like the Sun will have a brief period of stability, fusing helium into carbon (and sometimes oxygen).
During this brief stable stage, the star:_________
a. Increases tremendously in luminosity.
b. Gets to be even larger in diameter than it was as a red giant.
c. Returns to the position on the H-R diagram that the star had in its main-sequence stage.
d. Is able to fuse many of the heaviest elements (such as iron and gold) in its superhot core.
e. None of the answers
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Please select the word from the list that best fits the definition an oversimplified, exaggerated, or unfavorable generalization about a group of people.
Answer:
Stereotype
Explanation:
Edge 2022
Charles has times when he feels extremely despondent for no apparent reason. During these times, he finds it hard to be productive in his classes or at his job. He will cancel plans with his friends and then sit on his couch, staring off into space, lacking the energy or desire to do anything. Often, it is difficult for him to get out of bed in the morning. Charles’ symptoms are characteristics of:
Disorders are illness that affects the mental state of the person and affects many areas of life. Charles’ symptoms are characteristics of anxiety disorder.
What is anxiety disorder?Anxiety disorder is a mental illness that causes panic and results in health problems. Anxiety causes a person to worry about the events of their routine lives.
It affects the daily tasks and activities of the person and causes a person to be restless or energy-deficient causing them to be less productive.
Therefore, Charles is suffering from an anxiety disorder.
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Name, and describe the two organizations that fought to promote the cause of hispanic americans.
The two organizations that fought to promote the cause of hispanic americans are; LULAC and American GI Forum
What organization fought for the freedom?The organizations responsible for promotion of the cause of hispanic americans are known as Chicano Organizations. There were a couple of organizations championing this cause but we will streamline to two described below;
1) LULAC: This is an acronym for League of United Latin American Citizens. It was founded in 1929 Corpus Christi, Texas and is the most important Mexican American civil rights organization for much of the 20th century.
2) American GI Forum; The American GI Forum (AGIF) was a Congressionally chartered Hispanic veterans and civil rights organization founded on March 26, 1948 to address the concerns of Mexican-American veterans, who were segregated from other veterans groups. The motto of this organization is; "Education is Our Freedom and Freedom should be Everybody's Business".
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What happens to the force of gravity between two masses if one mass is decreased?
Identify the type of each reaction in the copper cycle.
Identify the type of each reaction in the copper cycle. Cu(NO3)2 (aq) + 2 NaOH(aq) + Cu(OH)2 (s) + 2 NaNO3 (aq) Choose... Choose... CuSO4 (aq) + Zn(s) + ZnSO4 (aq) + Cu(s) Choose... Dehydration CuO (s) + H2SO4 (aq) + CuSO4 (aq) + H2O (1) Choose... Redox Cu(s) + 4HNO3 (aq) + Cu(NO3)2 (aq) + 2 NO2 (aq) + 2 H20 (1) Hydrolysis Metathesis Choose... Cu(OH)2(s) + Cuo(s) + H2O(g) Δ
Enlarged brain ventricles are presumed to signify __________. a. an excess of dopamine activity b. frontal lobe abnormalities c. development of brain tissue d. a deterioration of brain tissue please select the best answer from the choices provided a b c d
Answer:
development of brain tissue
Explanation:
Edgenuit
On april 21, the altitude of polaris, as viewed from a location in new york state, was measured as 41.3°. what will the altitude of polaris be when viewed one month later, on may 21, from the same location?
Answer:
On april 21, the altitude of polaris, as viewed from a location in new york state, was measured as 41.3°. what will the altitude of polaris be when viewed one month later, on may 21, from the same location?
Explanation:
In the near future gene therapy may provide cures for genetic disorders such as severe combined immunodeficiency or cystic fibrosis. in this case, scientists are using __________ to deliver good genes, or genes to halt a disorder, to the cells of a patient's body
Answer:
CRISPR
Explanation:
CRISPR is a gene editing tool
A major source of sodium metal is the electrolysis of molten sodium chloride. what magnitude of current (in amps) can produce 640.0 g of na(s) in 2.50 hours?
Answer:
I = 2330.9 A
Explanation:
The magnitude of the current produced by the metal of 1 kg has been 2330.9 A.
In electrophoresis, the transfer of 2 moles of electrons takes place per mole of Na.
The moles of sodium has been:
Moles =
Moles of Na = mol
Moles of Na = 43.47 mol
1 mole Na have = 2 moles electrons transfer
The total charge transfer in 1000 grams Na can be given by:
q = moles of Na moles of electrons transfer Faraday constant
q = 43.47 2 96500
q = 8.391 C
The current can be given by:
I =
I =
I = 2330.9 A
The magnitude of the current produced by the metal of 1 kg has been 2330.9 A.
Select the correct answer. which phrase best completes this sentence? al facturar las maletas recibimos ____________ para subir al avión. a. las llaves del auto b. pasaje del avion c. tarjeta de embarque d. pasaje electonico
Answer:
c. tarjeta de embarque
Explanation:
Did the test on Edmentum (Plato) Spanish I B and got it right!
Hope this helps!
Have a great day!
Also, thank you to the other person that explained this!
the three pyramids of giza include all of the following, except which?
The Giza pyramid complex, also called the Giza necropolis, is the site on the Giza Plateau in Greater Cairo, Egypt that includes the Great Pyramid of Giza, the Pyramid of Khafre, and the Pyramid of Menkaure, along with their associated pyramid complexes and the Great Sphinx of Giza.
hope it helps...!!!
How did the medici family affect the city of florence, italy? they developed medicines and hospitals that improved the health of the city. they ruled florence and invested in architecture, banking, art, and science. many of the most well-known renaissance artists were members of the medici family. they provided loans to people who could not afford them, and put these people in prison.
Answer:
B: They ruled Florence and invested in architecture, banking, art, and science.
Explanation:
Edge
Answer:
B
Explanation: edge 2023
Using the coordinates, calculate the lengths of any two adjoining sides of the rectangle. you may choose either the pythagorean theorem or the distance formula. in either case, show your work.
Answer:
Ngl I answered this question thinking it was a different question so obvi that was wrong
My bad lol :/
Answer:
Based on the sides and the method the student chooses, but the side lengths will be the same for each calculation method. This answer assumes the student applied the distance formula:
AB= (4−(−4))2+(4−(−2))2
=(8)2+(6)2
=36+64
=100
=10
BC= (7−4)2+(0−4)2
=(3)2+(−4)2
=9+16
=25
=5
Explanation:
Sample answer from plato
In this assignment you will read about artificial blood and blood donations. you will then use what you learned to answer a few questions. click on the link and read the article called, artificial blood and blood donation. is the process of transferring blood from one person to another.
Blood donation occurs when blood is drawn voluntary from an individual for transfusion.
What is Transfusion?
This is the process of donating blood to an individual and is usually done intravenously.
Before blood donation takes place , necessary tests are usually done to prevent infection and ensure the blood types match to prevent coagulation and death.
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Each of the following is part of your innate immune system, except:
Which word most clearly summarizes the description of the house? amusing interesting renovated forgettable
Answer:
B
Its B
Explanation:
Which of these is a disadvantage of hydrogen fuel cells
Charlene has lupus and one of the prescriptions she receives
She had lupus and received Steroids which is classified as a Schedule III drug in medicine.
What is Schedule III drug?These are the drugs which have an accepted medical use, known prescription and a moderate risk of abuse.
Example of such types of drugs is steroids which can be used to treat conditions such as lupus.
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Choose the best translation of the following sentence. i would sleep later.
Answer:
I would sleep late for my kids so I don't wake them up