Based on the Mohs Hardness Scale, which mineral could be scratched by a penny but not by a fingernail? 

      A. Calcite  B. Talc  C. Gypsum  D. Fluorite​

Answers

Answer 1

Answer:

The mineral is Talc, so option B.

Answer 2

Answer:

Fluorite  is a mineral could be scratched by a penny but not by a fingernail.

Explanation:

Friedrich Mohs was a German mineralogist who developed a hardness scale. The least hard mineral was talc and hardest mineral is Diamond which ranged from Scale 1 to 10. Mohs Hardness scale is a measuring metric which is used to determine the hardness of a metal where one of his standard definitions about “scratching a mineral” using fingernails is very much popular. In that he defined that “Calcite, Talc and Fluorite” can be scratched using fingernails and only “Fluorite” from the given options can be scratched by a penny but not by a fingernail.


Related Questions

Which of the following is a hasty generalization ? A. Playing football gives you concussions
B. Some video games players don’t get enough exercise
C. Many breed of dog are gentle and loyal
D often , the team with the best defense wins championships

Answers

Answer:

a

Explanation:

A. Playing football gives you concussions

In the following sentence which word is the adverb

Answers

Answer:

B

Explanation:

It's describing a point in time

Answer:

Thoroughly is the adverb in that sentence.

He looked at me sideways—and I knew why
Jordan Baker had believed he was lying. He
hurried the phrase "educated at Oxford," or
swallowed it, or choked on it, as though it had
bothered him before. And with this doubt, his
whole statement fell to pieces, and I wondered if
there wasn't something a little sinister about him,
after all.
Which theme does this excerpt best convey?

Answers

Answer- Telling the truth is better than living a lie because the truth always expose itself in its own time.

Explanation- The given lines have been taken from Scott Fitzgerald's novel "The Great Gatsby" where a character Nick suspects that Gatsby isn't telling the truth about his background and there were rumors about him that he is involved in some criminal activities. Also there were rumors about him being a spy.

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Final answer:

The excerpt conveys the theme of deception or dishonesty.

Explanation:

The excerpt conveys the theme of deception or dishonesty. The narrator observes how the character hesitates and shows signs of discomfort when mentioning his education. This leads the narrator to question the character's credibility and consider if there is something sinister about him. The theme of deception is further emphasized by the doubt that causes the character's statement to fall apart.

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Which of these environments will have the highest average temperatures? A. Ocean shorelines B. Rural farms C. Suburban centers D. Urban cities

Answers

Urban cities will have the highest average temperatures

Answer:D

The environment that has the highest average temperature is Urban cities. D

Why do urban cities have a higher average temperature?

Urban cities tend to have higher average temperatures than other environments due to the "urban heat island" effect.

This effect is caused by the concentration of buildings, vehicles, and people. Buildings and pavement absorb and re-radiate heat more so than natural landscapes, and various human activities also generate heat.

Consequently, urban areas can be significantly warmer than rural or suburban areas, ocean shorelines, or farmlands.

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How does the animated version use the visual effects to show the first-person point of view?

Answers

the answer is that the animated version used visual effects to show the first person point of view by showing the goal and the crowd through the narrators eyes.

A brief history of Salem Witch Trials?

Answers

Answer: Starting in 1692, the witch trials were located in Salem, Massachusetts.

Explanation: There were 141 people arrested and 19 were hanged while one person was crushed to death. People were instantly accused of witchcraft between 1962 and 1963 which caused court trials. The cause of this whole thing was because of disagreements between different parties as there was a split in social groups which caused arguing and accusations towards the opposing side. Young women in the village of Salem began suddenly acting weird and blamed someone for bewitching them. In the end, people now to this day use the term witch hunt to describe acts of discriminating different minority groups.

Final answer:

The Salem Witch Trials occurred in 1692, influenced by Puritan beliefs about the supernatural, leading to the prosecution and execution of 19 people, among others, based on unfounded accusations. The Massachusetts courts reversed the convictions 20 years later. Figures like Cotton Mather fueled the hysteria with their staunch belief in witchcraft.

Explanation:Brief History of the Salem Witch Trials

The Salem Witch Trials were a series of hearings and prosecutions that took place in 1692 in Salem Village, which is now modern-day Danvers, Massachusetts. The trials began after several girls, including the daughter and niece of the local minister Samuel Parris, exhibited strange symptoms and behaviour, leading to an accusation of witchcraft. They admitted to experimenting with the occult under the guidance of Tituba, a West Indian servant in the Parris household. Puritan beliefs about the supernatural and the Devil’s influence in society fueled the widespread hysteria which culminated in the prosecution of many, particularly women.

The trials in Salem Village were notable compared to the witch hunts in Europe; those convicted were hung and not burned. Eventually, most people connected to the events confessed their errors. After two decades, the Massachusetts courts reversed the convictions and greater compensation to the victims and their families was granted. Influential figures like Cotton Mather supported the witchcraft narrative with claims of possession and the need for recognition of witchcraft’s existence.

Economic strains, social tensions, and traumatic experiences, such as the Native wars, contributed to a society ripe for panic and scapegoating. In total, 19 people were executed, and many more suffered due to the unfounded witchcraft accusations in Salem.

Which sentence has a dependent clause?

Answers

Answer:

D. Before he went to sleep he completed his homework.

Explanation:

A dependent clause is a clause that has a subject and a verb, but doesn't make sense on it's own. The dependent clause is"Before he went to sleep", because he is the subject, and sleep is the verb, but doesn't make sense on it's own.

I think it is E. because dependent means on your own. E. says “I” which mean it is him and him only. He is doing it alone. Hope this is helpful :)

what does this passage reveal about society’s influences at the time?

Answers

I need the passage to answer sorry I can't comment on your question either so sorry

i would say

Slavery was a subject that should not be discussed in polite company.

Help help help!!! Thank you!!!!

Answers

Answer:

Im thinking B.

How does Kennedy say that the United States will assure liberty for all nations?

Answers

Answer:

Let every nation know, whether it wishes us well or ill, that we shall pay any price, bear any burden, meet any hardship, support any friend, oppose any foe, in order to assure the survival and the success of liberty.

Are there ever times when someone should not be forgiven for their mistakes

Answers

there definitely are times when someone shouldn’t be forgiven for their mistakes. (Just my opinion)

Maybe it would take time for people to forgive someone for a mistake someone has made in the past but depending on what the person did is weather you would want to forgive someone else for a mistake they have done

What was one of Mexico's biggest problems in 1861

Answers

Answer:

had big debt and was broke

Explanation:

Answer:

The first major Mesoamerican civilization–the Olmecs–grows out of the early small village of Dolores, issues his famous call for Mexican independence.

Explanation:

Why is Claudius sending hamlet to England

Answers

King Claudius decides to send Hamlet to England, fearing danger in Hamlet since he no longer believes Hamlet is merely lovesick. The King agrees to Polonius' plan to eavesdrop on Hamlet's conversation with his mother after the play to hopefully learn more from Hamlet. The play Hamlet had added lines to is performed.

What happens to the each of the main characters at the end of the story in Hedda Gabler ?

Answers

Hedda Gabler, a play written by Norwegian Henrik tales the story of Hedda's cruel machinations. Hedda Gabler is a manipulating woman, restricted by Victorian values.

She taunts a recovering alcoholic aristocrat, Eiler Lovborg.

Worth 12 points really need help! Which of the following identifies a source in which events are told by people who were actually there?
A. Encyclopedia
B. A current website written by a teenager about the Civil War
C. Secondary source
D. Primary source

Answers

Answer:

the answer is, D. Primary source

It is D. Primary source. Hope this helped.

Identify the appositive or appositive phrase.

groups of stars
Constellations
with a roadmap
astronomers

Answers

Constellations, groups of stars, provide astronomers with a roadmap of the galaxy.

Answer:

groups of stars

Explanation:

Groups of stars is a nonrestrictive appositive phrase that provides additional information about the noun Constellations. It is set off with commas because the information it provides is not necessary for identifying the noun it describes.

Another valued tradition at the race is the following of the rules. Although a governing body sets some of these regulations, there are certain unwritten precepts that are also followed. Some of these include not attacking if the leader has some sort of unexpected trouble and not attacking in feed zones (Rodriguez 163). Not adhering to these rules can lead to bitterness and anger. Which of these is a synonym for the word precepts in paragraph 5? A) books B) lists C) maps Eliminate D) rules

Answers

Answer:

its is d

Explanation:

Which of the following students are not eligible for student financial aid?
Tony didn’t complete high school education.
Keith got average grades throughout high school.
Marshall has an excellent academic record but his family
can’t afford his education.
Miami resident Gareth does not have a social
security number.

Answers

Answer:

Tony didn’t complete high school education.

Miami resident Gareth does not have a social security number.

Explanation:

These are the two people who would not be able to receive student financial aid. In the case of Tony, it is necessary to complete your high school education in order to receive financial aid. This is because public education is free, and you do not need aid to study high school. Moreover, you are not able to move to post-secondary education without completing your high school studies. On the other hand, Gareth would not be able to receive financial aid because having a social security number is a necessary requirement for it.

Medieval superstition placed great importance on ________.
A.
baths
B.
scientists
C.
omens
D.
novels

Answers

Answer:

[tex]\boxed{\bold{Omens}}[/tex]

Explanation:

Medieval superstition placed great importance on omens

An omen is a phenomenon that was believed to predict the future. The omen told them a good or bad change, and that change was going to predict what was going to happen in the future. People believed that omens brought messages from "Gods". So in conclusion, Medieval superstition placed great importance on omens.

- Mordancy

Final answer:

In the medieval period, great importance was placed on omens, which were seen as predictive signs or messages from the gods that influenced decisions and behaviors.

Explanation:

Medieval superstition placed great importance on C. omens. During the medieval period, omens, which are events or phenomena believed to predict the future, were given significant attention and significance. In essence, omens were seen as messages from the gods, and thus they were considered seriously and often influenced decisions and behavior. These omens could be anything from natural incidents like thunderstorms or eclipses to the behavior of animals and birds. People in the medieval era had a strong belief in the supernatural, and superstition permeated every aspect of their lives, making omens a focal point of their decision-making and interpretation of events.

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Write a paragraph explaining in what ways you have affected the lives of others.

Answers

Answer:

Who truly knows the impact they've had on others' lives.  Every day, I try to treat others with kindness and respect.  What happens after I hold a door for them, compliment their outfit, or just share a smile is unknown.  But that is the beauty of it.  Perhaps someone is already feeling great, and they are eager to smile back at me and share their positivity.  Or it's possible they are in a dark place, and just having a connection with someone else is what they need to get through it.  Of course it would be nice to know everyone's story, to know someone's name, or to just say hi to them.  But being kind to strangers is special in it's own unique way.  I can't say for certain that I have helped others.   But I like to think I have.  

What is a homophone?

Answers

A homophone is a word that is pronounced the same as another word but differs in meaning. A homophone may also differ in spelling. The two words may be spelled the same, such as rose and rose, or differently, such as carat, and carrot, or to, two, and too.

Answer:

Words that sound the same but are spelled differently.

Explanation:

For, fore, four,

to, too, two

please answer asap!!!
Read this excerpt from "It's My Constitutional Right!"

When he went away, I looked around me: three bare walls, a toilet, and a cot. Then I fell down on my knees in the middle of the cell and started crying again. I didn't know if anyone knew where I was or what had happened to me. I had no idea how long I would be there. I cried and I put my hands together and prayed like I had never prayed before.

• • •

Meanwhile, schoolmates who had been on the bus had run home and telephoned Claudette's mother at the house where she worked as a maid. Girls went over and took care of the lady's three small children so that Claudette's mother could leave. Mary Ann Colvin called Claudette's pastor, the Reverend H. H. Johnson. He had a car, and together they sped to the police station.

What differences can be found when contrasting the mood of the first-person account with that of the third-person point of view?

Claudette is lonely and desperate in jail, while her friends and family are lonely and helpless thinking about her situation.
Claudette is angry and violent in jail, while her friends are hopeless and alone without her.
Claudette is lonely and desperate in jail, while friends and family are frantically working together.
Claudette is angry and violent in jail, while her friends are arguing bitterly about how to help her.

Answers

Answer:

The answer is A:

Claudette is lonely and desperate in jail, while friends and family are frantically working together.Explanation: There is no one with Claudette and she is not violent so A. Her family is not helpless, they are speeding("sped") to the station, indicating that she is lonely and her family is working together frantically to help her.

Explanation:

Paraphrase the following introductory paragraph.

Most crops grown in the United States are genetically modified, meaning that scientists extract the DNA of something else and put it into the fruits and vegetables that you buy. Crops are genetically modified to make them healthier, tastier, easier to grow, or able to resist harmful insects or diseases.



Answers

Answer:

The majority of U.S. crops are genetically modified for the benefit of both the farmer and the consumer.

[LC]

The Fall of the House of Usher
By Edgar Allan Poe

Shaking off what must have been a dream, I scanned more narrowly the real aspect of the building. Its principal feature seemed to be that of an excessive antiquity. The discoloration of ages had been great. Minute fungi overspread the whole exterior, hanging in a fine tangled web-work from the eaves. Yet all this was apart from any extraordinary dilapidation. No portion of the masonry had fallen; and there appeared to be a wild inconsistency between its still perfect adaptation of parts, and the crumbling condition of the individual stones. In this there was much that reminded me of the specious totality of old wood-work which has rotted for long years in some neglected vault, with no disturbance from the breath of the external air. Beyond this indication of extensive decay, however, the fabric gave little token of instability. Perhaps the eye of a scrutinizing observer might have discovered a barely perceptible fissure, which, extending from the roof of the building in front, made its way down the wall in a zigzag direction, until it became lost in the sullen waters of the tarn.

Roderick Usher's poem
By Edgar Allan Poe

In the greenest of our valleys,
By good angels tenanted,
Once a fair and stately palace—
Radiant palace—reared its head.
In the monarch Thought's dominion—
It stood there!
Never seraph spread a pinion
Over fabric half so fair.

Banners yellow, glorious, golden,
On its roof did float and flow;
(This—all this—was in the olden
Time long ago);
And every gentle air that dallied,
In that sweet day,
Along the ramparts plumed and pallid,
A winged odor went away.
...
And, round about his home, the glory
That blushed and bloomed
Is but a dim-remembered story
Of the old time entombed.

And travellers now within that valley,
Through the red-litten windows see
Vast forms that move fantastically
To a discordant melody;
While, like a rapid ghastly river,
Through the pale door,
A hideous throng rush out forever,
And laugh—but smile no more.

What do these two pieces have in common?
They are both about nice places becoming unpleasant.
They are both about the politics of the time.
They are both about the importance of architecture.
They are both based on a famous play.

Answers

There is something common between the two pieces. The correct option is "They are both about nice places becoming unpleasant."

What is characterization?

Characterization is the description of a character's physical traits, point of view, personality, private thoughts, and actions.

There are two types of characterization: fiction writing and Indirect characterization.

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Double speak refers to

A. The repetition of key terms and phrases in advertising and rhetoric.

B. The use of vague language in the hope that the audience will make assumptions.

C. Undeniable truths in advertising that convince viewers to buy a product.

D. Disrespectful language people use when speaking with their superiors.

Answers

Final answer:

Doublespeak is a linguistic technique that uses language to mislead or disguise the truth, commonly found in politics and advertising to make something undesirable appear acceptable.

Explanation:

Doublespeak refers to the use of language to obscure, mislead, or distort meaning. It often involves renaming or euphemizing negative or controversial terms to make them seem positive or less problematic, thus allowing for ambiguity. Doublespeak is notable in politics and advertising, where it helps to mask intentions, soften the impact of actions, or support ideologies by making them more palatable to the public. For example, advertising may use 'pre-owned' instead of 'used', or politicians might label acts of war as 'peacekeeping duties' to shift perception and avoid unpleasant associations.

what’s the theme or message of this story?

Answers

Answer:

True love is worth fighting for but without faith and trust it cannot survive

Explanation:

What is the difference between a reliable and unreliable narrator?

Answers

A reliable one will put all these info you need into whats he is reading an unreliable will skip through and not give u all the info u shall need

Final answer:

A reliable narrator presents an unbiased, accurate account of the story, often from a third-person perspective. An unreliable narrator, however, provides a possibly biased or inaccurate version of events, casting doubt on their trustworthiness. Recognizing the reliability of the narrator is essential for understanding and critically analyzing any literary work.

Explanation:

The difference between a reliable and unreliable narrator lies primarily in the trustworthiness of their account of events. A reliable narrator presents the story and its events in an accurate and unbiased manner. They're generally third-person narrators who observe events from an outside perspective, ensuring an honest depiction.

On the other hand, an unreliable narrator is someone whose credibility has been compromised in some way. The reader cannot fully trust their version of events, as it could be influenced by their own biases, personal interests, or lack of knowledge. An example of an unreliable narrator is the central character, Stevens from Kazuo Ishiguro's novel The Remains of the Day, because his recollections of past events often cast doubt on the accuracy of his account.

When reading any work of literature, it's essential to discern who the narrator is and determine whether they're reliable or not. It helps to understand the story better and leaves room for critical analysis.

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Compare and contrast the heroic qualities of these con temporary heroes with those of you hercules?

Answers

(Image given below for Venn diagram)

You can rephrase it to fit your grade level :)

( Image given if you want the blank Venn diagram)

Hope this helps <3

A student doing research for a project enters the following search terms :
scuba AND advancements OR technologY
which of the following best describes a like the results of the search?
A. sources that reference the first two terms and exclude the third
B. sources that references the first two terms and the third
C. so is that reference the first term and either of the remaining two
D. sources that reference either of the three terms

Answers

Answer:

the answer is option C.

Explanation: The given terms are scuba AND advancements OR technology. The result of the search is may be which references the first item and either of the remaining two. Because the key word for the search is scuba. Then he asked for the details which indicates the advancements or technology. So the query was about either the advancements of scuba or the technology of scuba.

Final answer:

The student's search terms will return results that reference the term 'scuba' and either 'advancements' or 'technology', as according to the use of AND and OR operators in search engines.

Explanation:

The best answer is C. This is because AND and OR are operators in most search engines. The term AND requires both terms to be present, while OR allows for either term. Therefore, 'scuba AND advancements' must both appear in the sources, but 'technology' may or may not be present. Thus, the results of the search will be sources that reference the first term and either of the remaining two. This type of combination of AND and OR operators is commonly used in information retrieval and is a basic but effective strategy for refining search results.

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How many neutrons are in the isotope lithium 8

Answers

Answer: 5 neutrons

Explanation:

Use the APE and MPN formula. A-Atomic Number P-Proton Number E-Electron Number M-Mass Number N- Neutron Number A = P = E M = P + N

The isotope lithium-8 contains 5 neutrons.

Lithium (Li) has an atomic number of 3, which means all of its isotopes have 3 protons. The mass number of lithium-8 refers to the total number of protons and neutrons in the nucleus, which is 8. To find the number of neutrons, you subtract the atomic number from the isotope's mass number: 8 (mass number) - 3 (atomic number) = 5 neutrons. This calculation reveals that lithium-8 has 5 neutrons. While naturally occurring lithium primarily exists with either 3 or 4 neutrons (lithium-6 or lithium-7), the question refers to lithium-8, which is a less common isotope and not found in significant amounts in nature. Moreover, this isotope is unstable and decays quickly.

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