Questions and answers by

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Questions (468)

How do emission and reflection nebulae differ?(1 point) Responses interactions with light interactions with light hard line
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2. 121 views
What is the main challenge astronomers face when trying to directly detect black holes?(1 point) Responses Black holes are
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Which statement best describes the galaxies closest to the Milky Way?(1 point) Responses These galaxies include irregular,
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2. 121 views
Which of these characteristics of a star make it most likely to become a black hole? Select the two correct answers.(1 point)
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onomers think that most galaxies are centered by a Select Answer , which exerts Select Answer that binds the galaxy together.
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Which description best summarizes the steps that take place during black hole formation, in the correct order?(1 point)
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Where could scientists look to observe a black hole?(1 point) Responses the edge of the solar system the edge of the solar
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According to astronomers, how many galaxies are distributed across the observable universe?(1 point) Responses several thousand
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Which statements describe elliptical galaxies? Select the two correct answers.(1 point) Responses They typically contain very
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How does the appearance of spiral galaxies vary? Select the two correct answers.(1 point) Responses They vary in how tightly
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2. 104 views
Which component that makes up the bulk of all galaxies?(1 point) Responses dark matter dark matter gas gas dust dust stars
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What does it mean to characterize a nebula as diffuse?(1 point) Responses It reflects only non-visible radiation. It reflects
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How are nebulae and stars related? Select the three correct answers.(2 points) Responses Stars explode to form nebulae. Stars
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How can a planetary nebula be identified? Select the two correct answers.(1 point) Responses diffuse edges diffuse edges central
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What causes a supernova?(1 point) Responses force of a nebula force of a nebula energy of a nebula energy of a nebula energy of
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In 1970, the Apollo 13 Mission used a slingshot effect to use the moon's gravitational field to help increase the speed and
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Select which explanations support how the shape of planetary orbits affects their orbital velocity. (Select the three correct
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A moon is orbiting the planet Jupiter, rp is the shortest distance between the moon and its planet and ra is the longest
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2. 129 views
What would be the result of the gravitational force between two objects, if the mass of an object doubles, and the other
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Kepler's 2nd laws shows that a line between a planet and the sun sweeps out two equal areas at different places as it makes its
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2. 84 views
A ____________ is the point on a planet's orbit that is closest to the sun. (1 point) Responses aphelion aphelion focus focus
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What did Johannes Kepler discover while studying Mars that led to his first law of orbital motion? (1 point) Responses Most
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2. 103 views
As the Earth obits the Sun, a nearby star will appear to move against the more distant background stars. The star's apparent
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2. 75 views
Which statements below are false regarding the geocentric model? Select the two correct answers. (2 points) Responses It shows
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Which statement best assesses the impact of the cases Marbury v. Madison and McCulloch v. Maryland on the Constitution?(1 point)
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2. 183 views
Which statement best identifies how the Second Amendment was interpreted in the McDonald v. Chicago case?(1 point) Responses The
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2. 299 views
How did the ruling in the Miranda v. Arizona case change law enforcement procedures?(1 point) Responses Law enforcement may
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2. 92 views
Which statement best identifies the impact of constitutional interpretation?(1 point) Responses Constitutional interpretations
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Which statement accurately contrasts the concepts of loose construction and strict construction?(1 point) Responses Loose
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Johannes Kepler had the fortune to work as the assistant to which famous Danish Astronomer? (1 point) Responses Claudius Ptolemy
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Which expression best represents Kepler's third law with a planet's period T and radius r in our solar system?(1 point)
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2. 60 views
Kepler's 2nd laws shows that a line between a planet and the sun sweeps out two equal areas at different places as it makes its
1. 1 answer
2. 87 views
What did Johannes Kepler discover while studying Mars that led to his first law of orbital motion? (1 point) Responses The
1. 1 answer
2. 89 views
As the Earth obits the Sun, a nearby star will appear to move against the more distant background stars. The star's apparent
1. 1 answer
2. 89 views
What type of orbit do most comets that enter our solar system have? (1 point) Responses circular circular hyperbolic hyperbolic
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2. 79 views
What variable does not need to me used to calculate the acceleration due to gravity of the moon. (1 point) Responses M1 the mass
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2. 77 views
A moon is orbiting Mars, rp is the shortest distance between the moon and its planet and ra is the longest distance between the
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2. 86 views
What would be the result of the gravitational force between two objects, if the distance between the two objects increased? (1
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2. 93 views
Kepler's 3rd Law of Planetary Motion represents the relationship between a planet's and. in our solar system.
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2. 62 views
Kepler's shows that a line between a planet and the sun sweeps out two areas at different places as it make its' orbit.
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2. 60 views
Johannes Kepler's first law of motion describes most most planets having elliptical orbits. (1 point) Responses True True False
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Copernicus's model of the solar system has the Response area at the center of the solar system. Like the geocentric model, he
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2. 61 views
Why were Aristotle’s and Ptolemy’s models accepted for more than a thousand years in spite of being incorrect? (2 correct
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Ptolemy incorporated epicyles with his geocentric model.to attempt to explain the ______________ of planets. (1 point) Responses
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The geocentric model shows the at the center of the solar system. It also shows the orbits of the planets as Response area .
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What is the contrast between judicial restraint and judicial activism in the Supreme Court?(1 point) Responses Judicial
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Question What type of jurisdiction gives the Supreme Court the authority to grant a writ of certiorari?(1 point) Responses
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What best describes the process used by the Supreme Court to grant a writ of certiorari?(1 point) Responses A vote of four
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A minimum of five justice votes must be included for what type of opinion to be issued?(1 point) Responses concurrent opinion
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What statement best describes the process used by the Supreme Court to issue an opinion?(1 point) Responses The Supreme Court
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The function is not one-to-one. If you restrict the domain for to , what is its inverse function and the domain for the inverse?
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The x-axis goes from negative 10 to 10 and the y-axis goes from negative 10 to 10. A function labeled f is the right half of a
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For the function , find the inverse function. (1 point) Responses Image with alt text: lower f superscript negative 1 baseline
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The x-axis goes from negative 6 to 6 and the y-axis goes from negative 6 to 6. A function labeled f left-parenthesis x
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.For which audience is the following sentence most appropriate? The best part of the book The Call of the Wild was when John
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.Which of the following is not a common form of persuasive writing? advertisement persuasive essay short story editorial
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.For which audience is the following sentence most appropriate? Franklin Delano Roosevelt ran on the New Deal in 1932. hotel
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Read the passage.Late for work? No time to eat? Morning Glory breakfast bars are packed full of the protein and complex
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.Which type of writing discusses real things, events, or ideas? proposition fiction legend nonfiction
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In which of the following situations would you be most likely to write a problem-and-solution essay?family gathering slumber
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For which audience is the following sentence not appropriate?Now write the word the. Sound it out, and ask your teacher for
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.Which of the following statements about writing the body of a persuasive essay is false? Save your strongest point for the end.
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Northfield is a model city in Westport County. Crime rates have dropped 28% in the last five years, and new business development
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2. 72 views
Read the passage.Northfield is a model city in Westport County. Crime rates have dropped 28% in the last five years, and new
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2. 61 views
What is the main purpose of the following sentence?First, the clown smashed a pie on his face, and then he slipped on a banana.
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.What is a thesis statement? the main idea a writer discusses in an essay the sentence that gets the audience’s attention the
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.How is the following passage from a cause-and-effect essay organized? When planting daisies, you first need to find the best
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.In which type of essay would you expect to find the passage below? Monkeys and humans each have hands. Monkeys and humans each
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Which type of character changes as a result of the events in a story?dynamic protagonist static narrator
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.A main character struggling through a snowstorm would be an example of which type of conflict? internal conflict external
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Read the passage and answer the question.Georgia always awoke at 7:00 A.M. Her morning routine always went in the same order,
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.Complete the sentence. A _____ is an object, person, or animal that represents something else. main idea theme symbol
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The stage of plot that comes directly after exposition is called _____resolution. conflict. falling action. rising action.
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The stage of plot that comes directly after rising action is called _____climax. resolution. falling action. internal conflict.
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.Read the passage. Excerpt from “The Daffodils” by William Wordsworth I wandered lonely as a cloud That floats on high
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In which stage does the plot conclude?climax falling action internal conflict resolution
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Read the passage.The mother put her children to bed, and then she took a shower and put on her pajamas. She yawned several times
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.In a story, who is the protagonist ? the primary character a character who does not change in a story a secondary character the
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Which of the following is the best definition of persona?when a narrator has full-knowledge of all of the characters when
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.Read the passage from “A Gold Slipper” by Willa Cather The Gold Slipper An elderly man, with very marked features and
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.Read the passage and then answer the question that follows. I made straight for the ship, roused up the men to get aboard and
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.Read the passage from The Grapes of Wrath . Joad said, “Sure, I remember you. You used to give a good meeting. I recollect
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.What tone does this passage convey? Natasha had a great attitude, and her teachers and classmates noticed that she was always
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.The stage of plot that shows how the story ends is called _____ rising action. conflict. falling action. resolution.
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.In _____, the writer simply states a fact about a character. direct characterization personal characterization abstract
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.Complete the sentence. To discover the theme in a poem or work of fiction, you must first find the _____ rhyme pattern. plot.
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Read the passage.Excerpt from “A House Divided” a speech by Abraham Lincoln “A house divided against itself cannot
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What tone does this passage convey?Carissa came home from school and threw her backpack on the couch. She went into her
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.In fictional stories, authors describe _____ who deal with problems and who take part in the story’s action. characters
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Which time of day is described in this setting?The sunlight peeked over the mountains, and Hector’s alarm sounded. He sat up
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.The type of narrative that records the thoughts and feelings of the narrator as they occur is called _____ first-person.
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Read the passage from The Grapes of Wrath .His cheekbones were high and wide, and strong deep lines cut down his cheeks, in
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What doctrine gives the Supreme Court the authority to check the executive and legislative branches?(1 point) Responses Marbury
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Which statement best explains the power of judicial review held by the Supreme Court?(1 point) Responses the review of acts of
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Which item gives the Supreme Court the ability to resolve policy differences between the branches?(1 point) Responses the
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Which answer best explains the power of judicial review used by the Supreme Court to resolve policy differences?(1 point)
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What best explains the president’s role in Supreme Court justice nominations?(1 point) Responses The president makes the final
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Which answer best defines the power given to the Supreme Court in regard to original and appellate jurisdiction?(1 point)
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Question What is the reason for giving the president the power to make federal judge appointments?(1 point) Responses The acting
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Question Which statement best analyzes the disadvantages of lifetime appointments for federal judges?(1 point) Responses Judges
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2. 74 views