what is meant by Manifold?​

Answers

Answer 1
To run have a nice day

Related Questions

Correct the mistakes
1-are you understanding english tenses now?
2-my teacher thinks that i am going to pass this test.

Answers

Answer:

The answer is

Explanation:

Do you understand English tenses now?

My teacher hopes that I am going to pass this test.

Hope this helps....

Have a nice day!!!!

Answer:

1 Do you understand English tenses now?

2 my teacher thought that i am going to pass this test.

What happened to charlie when he went in the boat

Answers

Answer:

The answer is

Explanation:

The boat came along the river, with more than seven or eight oompa loompas holding each oar. Charlie climbed into the boat and it went along the river. Mr Wonka gave Charlie and Grandpa Joe a mug of chocolate water. Then Mr Wonka shouted to the Oompa Loompas to row faster.

Hope this helps....

Have a nice day!!!!

Which keywords would be most effective to find research on the development of potential cures for human aging? Select three options. aging old AND research aging AND research AND cure old AND age AND research AND remedy aging AND developed AND potential AND people aging AND cure AND potential AND research AND humans

Answers

Answer:

C,D & F

Explanation:

correct on edge

The keywords to find research on the development of potential cures for human aging include cure, potential, and research.

What is a Research?

A research simply means an investigation into a particular topic to understand the topic better.

In this case, the keywords to find research on the development of potential cures for human aging include cure, potential, and research.

Learn more about research on:

https://brainly.com/question/968894

How are health and wellness portrayed on the news?

Answers

Answer:

The answer I prefer is

Explanation:

The health and wellness on the news is being portrayed like sometimes bed or sometimes good. I mean sad news and happy news. That is how wellness is described in the news.

Hope this helps....

Have a nice day!!!!

Identify the type of energy described in each sentence. Tiles gravitational energy mechanical energy chemical energy electrical energy thermal energy nuclear energy radiant energy Pairs The body stores lipids ingested as fat and uses this energy when needed. arrowBoth A person’s hat falls off and lands on the ground. arrowBoth A wave of water pushes a surfer to shore. arrowBoth A burner on a stove heats up a tea kettle. arrowBoth A power plant splits atoms to generate power for a city. arrowBoth A nerve sends an impulse to another nerve. arrowBoth A plant absorbs the Sun’s rays to start the process of photosynthesis. arrowBoth

Answers

Answer:

The body stores lipids ingested as fat and uses this energy when needed   (chemical energy)

A person’s hat falls off and lands on the ground  (gravitational energy)

A wave of water pushes a surfer to shore  (mechanical energy)

A burner on a stove heats up a tea kettle  (thermal energy)

A power plant splits atoms to generate power for a city  (nuclear energy)

A nerve sends an impulse to another nerve  (electrical energy)

A plant absorbs the Sun’s rays to start the process of photosynthesis  (radiant energy)

Explanation:

Chemical energy is stored up in chemical molecules, and released when the energy used to bind the elements of these molecules are released.

Gravitational energy is the energy due to the attraction between two or more object that has mass.

Mechanical energy is the energy of motion of a body.

Thermal energy is the energy due to temperature difference. It flows from a hot body to a cold body until they both achieve thermal equilibrium wit one another.

Nuclear energy is the energy liberated by splitting or decaying nucleus of an atom of an element.

Electrical energy is the energy that is generated when electrons flow in an orderly manner through a material.

Radiant energy is the energy due to the electromagnetic wave energy of light.  

Answer: EDMENTUM + PLATO

Explanation:

Choose the correct alternative that answer this question : When do we celebrate Father's Day in Brazil? And in the USA?________________________ * 1 ponto Third Saturday in June – Third Sunday in June. d)Third Saturday in July - Third Sunday in June c)Second Sunday in August – Third Sunday in June. b)Second Saturday In June – Third Saturday in June.

Answers

Answer:

c) Second Sunday in August – Third Sunday in June.

Explanation:

Father's Day is the day when fathers all over the world are appreciated, honoring them and celebrating fatherhood, much like Mother's Day. This special day is made so that fathers all over the world can know their importance and also give children the chance to celebrate their fathers.

Though the theme or purpose of the special day is common and the same all over the world, the day in which Fathers Day is celebrated is different for some countries. While it is celebrated on the third Sunday in June in the United States, it is celebrated on the Second Sunday of August in Brazil.

In your speech you plan to persuade your listeners to choose a vegetarian lifestyle using cognitive dissonance. However, you failed to survey your audience before selecting your topic. After your performance you find out that several students believe that God put animals on the Earth to provide humans with needed nourishment. You should have considered _______________________.

Answers

Answer:

inducing dissonance on true believers is unlikely to change behaviors.

Explanation:

Cognitive Dissonance Theory was developed by Leon Festinger in 1957. The Cognitive Dissonance Theory takes place when there are two conflicting beliefs, attitudes, or values. It creates an aversive state, where the person is required to choose between the conflicting values and beliefs.

In persuasion speech, the orator needs to use cognitive dissonance in a manner that the audience shows a slight of change in their behavior. The aim of using cogntive dissonance is persuasive speech is to induce the audience with dissonance that they show changes in their beliefs and attitudes.

In the given scenario, you should have considered to induce dissonance on true believers. In doing so, one should have added the health issues that people face because of eating animals.

Write a sentence with a subordinate clause functioning as a modifier to the subject.

Answers

You guys should know that anything is fine with me.

What is the meaning synonyms​

Answers

Answer:

"Synonyms" are words that have the same meaning, but is a different word.

Some examples could be:

"Miniature" and "tiny". They both mean small, but they are different words.

Choose the correct words to complete the sentences.
The workers followed in
to the corn field___. They would all help with the____
today.

Answers

Answer:

The workers followed in to the corn field today. They would all help with the chores today.

Explanation:

The complete sentence is "The workers followed in succession to the corn field. They would all help with the tillage today." Thus, option 1st is correct for the first blank, and option 2nd is correct for the second blank.

What is a sentence?

The sentence refers to the collection of words which includes a subject, verb, and predicate. It is the fundamental unit of language that gives complete sense to the readers or listener.

It accomplishes this by adhering to the basic grammatical principles of syntax. "Ram is walking," for example. To announce (declare) a full notion, a complete sentence must include at least a subject and a major verb. A brief example: She moves her feet.

The full statement is "The employees proceeded to the cornfield in a line. They'd all pitch in with the tillage today." As a result, option 1 is accurate for the first blank, and option 2 is correct for the second.

Learn more about sentences here:

https://brainly.com/question/18728726

#SPJ2

Your question was incomplete, probably the complete question was.....

1st blank: succession, tillage, idleness, recompense 2nd blank: succession, tillage, idleness, sticks do

What is the FIRST major step of the writing process?

Answers

Answer:

The answer is

Explanation:

The first major step of the writing process is Topic. Because without topic you cannot understand what the writing is.

Hope this helps....

Have a nice day!!!!

Reread "Our Backyard Is 85 Million Acres." Which options support the author's choice of using a proposition-and-support structure to develop his argument?

Answers

This question is incomplete, here´s the complete question.

Reread "Our Backyard Is 85 Million Acres."

Which options support the author’s choice of using a proposition-and-support structure to develop his argument?(Select all that apply.)

A-The proposition-and-support structure provides reasons for readers to agree with the author’s idea that we all need to take care of our national parks.

B-The proposition-and-support structure shows readers the connection between national parks and the Declaration of Independence.

C-The proposition-and-support structure informs readers about the history of national parks and the creation of the National Park Service.

D-The proposition-and-support structure illustrates for readers how national parks can instill the pride of being American in each of us.

Answer:

A-The proposition-and-support structure provides reasons for readers to agree with the author’s idea that we all need to take care of our national parks.

D-The proposition-and-support structure illustrates for readers how national parks can instill the pride of being American in each of us.

Explanation:

The proposition and support structure provides an idea as well as reasons and evidence to support it.

In this case, the author applies that structure to support the idea of how important it is for all of us to defend our national parks, by providing reasons such as how they bring a sense of pride and belonging to America and it´s past accomplishments.

The majority of people who immigrated to America in the late 1800s and early 1900s
оооо
adopted America's established religions.
started businesses with their own resources.
bought land and became farmers.
worked at challenging jobs in the cities.

Answers

Answer:

worked at challenging jobs in the cities.

Explanation:

In "The Lay of the Werewolf," how does Bisclavaret’s revelation that he is a werewolf advance the plot?

Answers

Answer:

The revelation causes Bisclavaret's wife to abandon him and this abandonment is the main reason for all the different events that occur throughout history.

Explanation:

The revelation that Bisclavaret is the werewolf causes his wife to be terrified and no longer want his company. As a result, she leaves and falls in love with a gentleman who has always loved her. This revelation motivates all the other events in the plot by developing the plot in an influential way, since it is because of this, that Bisclavaret's wife remarries, that Bisclavaret flees to the forest and has all his life and acts based on it.

Answer: The correct answer is C.

C-It scares his wife, causing her to launch a plan to remove Bisclavaret from her life.

Explanation:

A-When his identity is revealed, he loses favor with the lord he serves.

B-With his identity known to all, Bisclavaret is free to be himself.

C-It scares his wife, causing her to launch a plan to remove Bisclavaret from her life.

D-It satisfies his wife, motivating her to join Bisclavaret in his evening excursions.

Read this excerpt from "The Bells” by Edgar Allan Poe. In the startled ear of night How they scream out their affright! Too much horrified to speak, They can only shriek, shriek, Out of tune, Which statement best describes how Poe creates mood in the excerpt? Poe uses onomatopoeia to create a frustrated mood. Poe uses onomatopoeia to create a serious mood. Poe uses onomatopoeia and rhyme to create a mood of panic. Poe uses onomatopoeia and rhyme to create a mood of disbelief.

Answers

Answer:

d

Explanation:

i got it right

Poe uses onomatopoeia and rhyme to create a mood of disbelief. This statement best describes how Poe creates mood in the excerpt. Hence option D is correct.

What is a paragraph ?

A paragraph is a self-contained section of writing that deals with a single concept or point (from the Ancient Greek o (parágraphos), "to write beside"). Although they are not needed by the orthographic norms of any language with a writing system, paragraphs are a common way to structure lengthy prose passages.

The earliest forms of classical British and Latin writing might be written in boustrophedon (alternating directions) and had little to no space between words. The direction of text (left to right) standardised throughout time. Word separators and final punctuation became widespread. The initial method of grouping sentences was the original paragraphos, which looked like an underscore at the start of a new group. The Middle English manuscripts used the pilcrow (), which originated from the Greek parágraphos.

Hence option C is correct.

To know more about paragraph :

brainly.com/question/24460908?

#SPJ7.

Which of these are true about this play?

Answers

Your answer should be Choice D

Which statement best describes the symbolic and figurative meaning in the first line of this excerpt from Countee Cullen's “From the Dark Tower”?

Answers

Answer: The speaker envisions a time when everyone will receive equal amounts of work and leisure.

Explanation: For the responder, Countee Cullen’s “From the Dark Tower” excerpted text describes the statement closely to “the speaker envisions a time when everyone will receive equal amounts of work and leisure”. Since the author speaks figuratively of inequality between amount of workload and leisure, he sought for an upbringing, a revolutionary vision that everyone should receive an equal distribution concerning income and not all the work should be done by the less fortunate people but all should have their own fair share of undertakings to face.

what are the example of sanitation​

Answers

Answer:

The definition of sanitation is the process of maintaining cleanliness and dealing with sewage.

Explanation:

An example of sanitation is the city department that makes sure trash is disposed of properly. "Sanitation. hope this helps you :)

Answer:

wash your hands always you can

use chlorine ti wash the handles.

desinfect your House

good literature has themes that are [BLANK]

Answers

Answer:

black

Explanation:

Question #4: Read the run-on sentence. The squirrel ran up the tree he was hiding nuts. Which is the best way to rewrite the run-on sentence? A.The squirrel ran up the tree. He was hiding nuts. B.The squirrel ran up the tree he was hiding. Nuts. C.The squirrel ran up. The tree he was hiding nuts. D.The squirrel ran up. The tree he was hiding nuts.

Answers

Answer:

The answer is A.

Answer:

A

Explanation:

plss give brainliest

In one of his first letters to his Uncle, Robin writes, "They have a list of about 100 rules about email. We can't say this - we can't say that - all about security...No real problem because we don't know anything." Based on this quote, what is Robin's feeling about his experience so far? A. He is angry that he has to follow so many rules in the war. B. He is confused about why they have so many rules and so little information. C. He is frightened by how different everything is outside of the United States. D. He regrets joining the military and wants to go home. Please I need the right answer ASAP.

Answers

Answer:

B

Explanation:

I believe that the most likely answer is:

B. He is confused about why they have so many rules and so little information.

This is because he specifically mentions that these rules will not be a problem because they don't know anything. His tone doesn't indicate anger - he doesn't mention fear or regret - so B makes the most sense based on my comprehension of this passage.

somebody has phoned them change it into passive

Answers

Answer:

They have been phoned

Explanation:

They have been phoned by somebody

Answer:they have been poned

Explanation:

WILL GIVE BRAINLIEST ESSAY: RESPONSE TO "THE SLIP-OVER SWEATER" You can determine what you have understood about a story by writing a response. Here is your goal for this assignment: Analyze the characters and setting of "The Slip-Over Sweater" Choose one of the following topics and write at least 200 words. 1. Trace Shan's development from immaturity to maturity. 2. Show how Jesse Stuart uses the setting of the story to mirror Shan's feelings. 3. Compare and contrast Grace and Jo-Anne. 4. Discuss how the mountain setting contributes to the outcome of the story. Here's the link of the story: https://www.quotev.com/story/8769564/The-slip-over-sweater-by-Jesse-Stuart

Answers

Answer and Explanation:

I have chosen topic 3. Compare and contrast Grace and Jo-Anne.

In the short story “The Slip-over Sweater” by Jesse Stuart, the main character Shan is also the narrator. That means we see everything through his eyes, including the two most important girls in his life, Grace and Jo-Anne.

Shan reveals he used to be in love with Grace when they were younger. It turns out that, by the end of the story, he falls back in love with her. Grace is described as a beautiful, strong girl. Similarly to Shan, she has a connection with nature, especially the mountain close to their school. No wonder Shan uses the mountain when describing her qualities:

"And I knew she had the durability and the toughness of a storm-battered mountain oak."

"Grace was as beautiful as our mountain was in April, prettier than a blossom of wild phlox or a mountain daisy."

Grace is sensitive and sensible, hard-working and empathetic. She goes out of her way to help Shan pay the debt he made because of Jo-Anne. She is observant, attentive, which allows her to read Shan easily and to ready herself to help him.

Jo-Anne is Grace’s opposite. That does not mean she is not a good person. She has a different background and upbringing, a different personality as well. She does not see the world or people the way Grace does. She likes Shan for reasons that are more superficial. Jo-Anne finds him handsome, which is why she thinks he should get the sweater. Jo-Anne finds him fun, which is why she spends time with him. Unlike Grace, who has a type of peculiar beauty, Jo-Anne is the obviously pretty girl.

"I loved everybody, but I worshiped Jo-Anned Burton.”

Notice how Shan does not say he loved her. Jo-Anne is not the type of girl who would inspire love in Shan. He adores her for her beauty, popularity, charm. However, once he gets worried about his debt – the debt he made to get the sweater Jo-Anne wanted -, he stops being funny. Constantly concerned, Shan is not fun anymore. Jo-Anner never asks him what is wrong, like Grace does. She never offers to help. She simply decides not to waste her time with him anymore. Of course, before she even decides to do that, Shan has already realized he is in fact in love with Grace. His infatuation for Jo-Anne is long gone.

Answer: the main character Shan is also the narrator. That means we see everything through his eyes, including the two most important girls in his life, Grace and Jo-Anne.

Shan reveals he used to be in love with Grace when they were younger. It turns out that, by the end of the story, he falls back in love with her. Grace is described as a beautiful, strong girl. Similarly to Shan, she has a connection with nature, especially the mountain close to their school. No wonder Shan uses the mountain when describing her qualities:

"And I knew she had the durability and the toughness of a storm-battered mountain oak."

"Grace was as beautiful as our mountain was in April, prettier than a blossom of wild phlox or a mountain daisy."

Grace is sensitive and sensible, hard-working and empathetic. She goes out of her way to help Shan pay the debt he made because of Jo-Anne. She is observant, attentive, which allows her to read Shan easily and to ready herself to help him.

Jo-Anne is Grace’s opposite. That does not mean she is not a good person. She has a different background and upbringing, a different personality as well. She does not see the world or people the way Grace does. She likes Shan for reasons that are more superficial. Jo-Anne finds him handsome, which is why she thinks he should get the sweater. Jo-Anne finds him fun, which is why she spends time with him. Unlike Grace, who has a type of peculiar beauty, Jo-Anne is the obviously pretty girl.

"I loved everybody, but I worshiped Jo-Anned Burton.”

Notice how Shan does not say he loved her. Jo-Anne is not the type of girl who would inspire love in Shan. He adores her for her beauty, popularity, charm. However, once he gets worried about his debt – the debt he made to get the sweater Jo-Anne wanted -, he stops being funny. Constantly concerned, Shan is not fun anymore. Jo-Anner never asks him what is wrong, like Grace does. She never offers to help. She simply decides not to waste her time with him anymore. Of course, before she even decides to do that, Shan has already realized he is in fact in love with Grace. His infatuation for Jo-Anne is long gone.

Explanation:

how are presidents better than kings

Answers

Answer:

The King is the Head of State, the symbol of its unity and permanence. ... The President of the Republic is the Head of the State and represents national unity.

Create a paraphrase of the following sentence from “The Cold Equations:”

She held the letters out to him. “Will you take care of these and see that they’re enveloped and mailed?”

Answers

Answer:

She gave him the letters to mail.

Explanation:

Keep it short and simple. Eliminate wordiness and redundancy.

Answer:

Will you handle these carefully and make sure they're packaged and sent?

Explanation:

i dont have one

Read the poem "Bacchus's Regret" by Hunter Doyle and answer the question. [1] King Midas returned my beloved teacher to me, so I rewarded him with a wish—whatever he wanted would be. Midas cried, "Give my fingers a golden touch! Then, I shall have a gilded kingdom and such." [5] I tried to make him see the err of his choice, but he would not heed the caution in my voice. I pleaded with Midas, "Be careful what you choose, for you're only thinking of what you'll gain—not what you'll lose." [9] His thirst for wealth became no match for his appetite; after all, a gold apple is not something one can bite. His daughter wept for her poor starving dad, so he wiped her tears and told her not to be sad. [13] Into a golden statue Midas's daughter became, and he and his greedy wish were ultimately to blame. Yet, maybe if I had put up more of a fight and a fret, then I wouldn't have to live with all this regret. Select the line that best supports the theme people must live with the consequence of their choices. "King Midas returned my beloved teacher to me, / so I rewarded him with a wish—whatever he wanted would be." (Lines 1–2) "I tried to make him see the err of his choice, / but he would not heed the caution in my voice." (Lines 4–5) "His daughter wept for her poor starving dad, / so he wiped her tears and told her not to be sad. (Lines 11–12) "Into a golden statue Midas's daughter became, / and he and his greedy wish were ultimately to blame." (Lines 13–14)

Answers

Answer:

Lines 13-14

Explanation:

HOPE THIS HELPS!!! :)

Answer:

D)"Into a golden statue Midas's daughter became, / and he and his greedy wish were ultimately to blame." (Lines 13–14)

Explanation:

Every time Midas sees his daughter that has been turned into a gold statue, he will always remember his greed and the consequence

Answer:

The correct answer is D.

Explanation:

Even though King Midas was warned that his wish to turn everything he touched into gold could be very harmful, he ignored the advice, filled with greed and avarice.

Therefore, when, upon touching her, he turned his own daughter into gold, he had no one to blame but himself. This was the terrible consequence of the choice he made.

HELP i need you guys to help find 6 things that you like about how the book "The Lottery" was written

Answers

I hope this is what you’re looking for, if not I’m sorry. If you have any questions about this please let me know.
1. The main conflict of the story is to figure out who is the “winner” of the lottery

2. There is irony used in the story

3. How the tone changes throughout the story

4. The story is American literature

5. There is more than one theme but still has its main focus

6. How the author gives out escalating clues

Question #1: Where should the RUN-ON SENTENCE be divided? Please hurry 1 I can't wait 2 for the bus 3 much longer. A.1 B.2 C.3

Answers

The correct answer is A. 1

Explanation:

The sentence "Please hurry I can't wait for the bus much longer" is a run-on sentence because there is no punctuation between the first clause "Please hurry" and the second clause "I can't wait for the bus much longer". This is a punctuation error as each section expresses an idea and it is necessary to include a punctuation mark such as a comma to separate the clauses. According to this, to correct the error it is necessary to divide the sentence between the word "hurry" and the word "I" or in number 1.

Identify the sentence in which an adverb clause is underlined. Much of the desert has a scattered, indigenous population, which explorers sometimes encounter. Nomads continue to wander the desert in search of water and food. Many animals are raised in captivity because the conditions are not as harsh. Although people live in the desert, they are still limited by its harsh climate.

Answers

Answer:

Although people live in the desert, they are still limited by its harsh climate.

Explanation:

An adverb is a part of speech that modifies a verb, adjective in a sentence by showing degree or frequency.

An adverb clause, on the other hand, are a group of words that are dependent clauses that need a conjunction to link them with the sentence. They can be placed at the beginning, middle, or end of a sentence.

So, the sentence Although people live in the desert, they are still limited by its harsh climate is an adverb clause.

what do you do when you are single ?

Answers

Answer:

Try and love your self and focus on yourself

Explanation:

Answer:

Explanation:

go outside

Other Questions
help me plz can somewon help me i am bad at math mostly Bramble Corp. receives $360,000 when it issues a $360,000, 8%, mortgage note payable to finance the construction of a building at December 31, 2020. The terms provide for annual installment payments of $60,000 on December 31. Prepare the journal entries to record the mortgage loan and the first two payments. Be careful of the wire size application chart you use, because many of them allow up to a ____ voltage drop over the length of the wire, which is more than is allowed in most automotive circuits. Group of answer choices Please answer this question now A football team is practicing outdoors in June. The temperature is 85F, and the relative humidity is 60 percent. It is 2:00 p.m., and the day is brightand sunny. What is the maximum amount of equipment that the players are allowed to wear? List the equipment by name. What is the minimumfrequency of breaks that the players must be granted to drink fluids? Find the 14th term in the sequence 1, 1/3, 1/9, Find the sum of the first 10 terms of the sequence above. Find the sum of 91.8+0.964+5.09 and correct your answer to one decimal place. HEEELLLPPP PLSS!!! Compare and contrast open, closed, and isolated systems. Be sure to discuss the exchange of energy and exchange of matter, and provide at least one example of each. What can you do to teach someone to be less prejudiced? NEED HELP..... Select the polynomial that is a perfect square trinomial. 36x^2 4x + 16 16x^2 8x + 36 25x^2 + 9x + 4 4x^2 + 20x + 25 "An Act to Improve the Navigability and to Provide for the Flood Control of the Tennessee River: To Provide for Reforestation and the Proper Use of Marginal Lands in the Tennessee Valley; to Provide for the Agricultural and Industrial Development of Said Valley; to Provide for the National Defense by the Creation of a Corporation for the Operation of Government Properties at and Near Muscle Shoals in the State of Alabama, and for Other Purposes May 18, 1933" Please help me with this , Question:A school's band members raised money by selling magazine subscriptions and shirts. Their profit from selling shirts was per shirt minus a one-time set-up fee. Their profit from selling magazine subscriptions was per subscription. They made exactly the same profit from shirts as they did from magazines. They also sold the same number of shirts as magazine subscriptions. How many shirts did they sell? Jamie has a jar of coins containing the same number of nickels, dimes and quarters. The total value of the coins in the jar is 13.20. How many nickels does Jamie have? The gasoline gauge on a van initially read full. When 15 gallons of gasoline were added to the tank, the gauge then read full. How many more gallons would be needed to fill the tank? A company purchased property for a building site. The costs associated with the property were: What portion of these costs should be allocated to the cost of the land and what portion should be allocated to the cost of the new building? Explain why James Baldwin says any Negro who is born in this country and undergoes the American educational system runs the risk of becoming schizophrenic. What does "the process of making more of the same producing offspring" called?Thanks.. If the solutions for a quadratic equation are -2 and 5 what is the equation match each polynomial with its degreedegree 1degree 2degree 3degree 4a.8x^2+7+1/2x^3-3 (1/2 is a fraction)b.3x^2-2x+4c.(x^2)^2+(x+4)^2d.5x+5 Assuming 100% dissociation, which of the following compounds is listed incorrectly with its van't Hoff factor i? Al2(SO4)3, i = 4 NH4NO3, i = 2 Mg(NO3)2, i = 3 Na2SO4, i = 3 Sucrose, i = 1 Which one should I choose???Sara doesn't like taking....A-examB- an examC- exams