Questions and answers by

wiggle

Questions (788)

A river delta forms at the mouth of a river where it enters a larger body of water. Usually the delta is shaped like a triangle.
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Which is the most correct order of the theorized evolution of life on Earth?(1 point)Responses Cyanobacteria produced oxygen,
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Students performed an experiment to observe how water interacts with the rock cycle. The diagram here shows the before, during,
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How do weathering and erosion differ?(1 point)Responses Weathering involves the transportation of weathered materials, while
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Why is the Plate Tectonic Theory accepted today over the Continental Drift Theory?(1 point)Responses The continents nor the
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The Continental Crust, Oceanic Crust and very top of Earth's mantle make up a hard surface that breaks into tectonic plates.
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Where might we find the oldest rock on Earth?(1 point)Responses the center of continents the center of continents the center of
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Geologist discovered fossils of identical spider mites from the same time period but on opposite sides of the ocean from each
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What is so important about subduction of tectonic plates?(1 point)Responses Earth's crust is melted and destroyed here Earth's
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What is the importance of Seafloor Spreading to the Theory of Plate Tectonics?(1 point)Responses Where new crust is created as
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Which statement INCORRECTLY describes the type of physical change in a mineral:(1 point)Responses Fractures in a mineral are
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Mohorovicic observed that earthquake waves were moving faster when recorded farther away than 200 km from where the earthquake
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Arrange the layers of the Earth in order from the outermost to innermost
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The Law of Superposition states(1 point)Responses the layers closest to the top are the oldest the layers closest to the top are
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Determine which characterisitics produce metamorphic rock vs sedimentary(1 point)Sedimentary Metamorphic Heat and pressure
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Which of the following CORRECTLY describe Nuclear Fussion:(1 point)Responses when 2 or more atoms slam together to fuse and
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Which statements are true and support the Big Bang Theory:(1 point)True False Red Shift of light from galaxies as they move
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Cosmic Microwave Background's uniform temperature 7is evidence that supports the idea that radiation is a remnant of the Big
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How does the change in the temperature of the universe provide evidence for universe expansion that supports the Big Bang
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What component makes up the bulk of most galaxies?(1 point)Responses Dark Matter Dark Matter Gas Gas Stars Stars Dust
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What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes trap all
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Which event triggers the start of black hole formation? (1 point)Responses A small to medium mass star explodes as a supernova.
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Which of these describes a nebula?(1 point)Responses star close in size to the sun star close in size to the sun cloud of
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Which types of baryonic matter are most abundant in the universe?(1 point)Responses Dark matter and dark energy Dark matter and
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What is the main force that keeps a planet in its orbit?(1 point)Responses Centrifugal force Centrifugal force Gravitational
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Which variables are involved in understanding Kepler's third law of motion? (1 point)Responses period of revolution, period of
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Which does Kepler’s first law state about the orbits of planets in our solar system? (1 point)Responses Their distance from
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The mass of an object decreases by one-half. What happens to the gravitational force between the object and a second object
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According to Kepler’s second law, which factor is constant as a line between a planet and the sun sweeps out two equal areas
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Which is a correct statement about Aristotle's and Ptolemy's models of the solar system?(1 point)Responses Ptolemy's model
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Which process generates the sun's energy?(1 point)Responses Nuclear fusion Nuclear fusion Nuclear fission Nuclear fission
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The sun is composed primarily of which two elements?(1 point)Responses Hydrogen and Helium Hydrogen and Helium Oxygen and Carbon
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Many massive stars end their life cycles as black holes. Why do astronomers not believe the sun will end its life cycle as a
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Which is an accurate statement about the different types of radiation emitted by the Sun? (1 point)Responses Radiation with the
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What type of star has an absolute magnitude of 10 and a temperature of 15,000 K?(1 point)Responses Blue Giant Blue Giant Red
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f a star has an absolute magnitude of 0 and a temperature of 4,500 K, what spectral class is it classified under?(1 point)Respon
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Which statement about how the sun compares with other stars is correct?(1 point)Responses A red supergiant is bigger, hotter,
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Put the different stages of the life cycle of an average start in the correct sequence. (1 point)
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Stars make new elements by ____________.(1 point)Responses fusing elements together fusing elements together fusing protons to
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What benefit does moving your arms, pumping opposition, have when power walking?(1 point) Responses maintain balance maintain
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What is not a recognized swimming stroke?(1 point) Responses Dog paddle Dog paddle Butterfly Butterfly Breast stroke Breast
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What constitutes hiking?(1 point) Responses A designated hiking route A designated hiking route Going with a group of people
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How many miles an hour should a person perform when “power walking?”(1 point) Responses 6 6 8 8 3 3 2
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What is important to remember when running?(1 point) Responses Stay hydrated Stay hydrated Pump your arms Pump your arms Hit the
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Match the term with the description that best matches.(2 points)Put responses in the correct input to answer the question.
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How many finger holes does a bowling ball have?(1 point) Responses 1 1 2 2 3 3 4
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Which of the following might be described as a recreational activity?(1 point) Responses Kayaking Kayaking Inline skating Inline
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Match the term that best matches the definition.(3 points)Put responses in the correct input to answer the question. Select a
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(1 point)____________ occurs when a server hits two faults in a row.
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Which of the following is NOT a typical tennis competition?(1 point) Responses Singles Singles Doubles Doubles Triples Triples
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Which of the following types of physical conditioning may be most important to a tennis player?(1 point) Responses Muscular
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Which of the following swings is generally weaker?(1 point) Responses Serve Backhand Forehand Ground stroke
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Which of the following swings is generally weaker?(1 point) Responses Serve Serve Backhand Backhand Forehand Forehand Ground
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What tennis swing is used when a player needs to hit a ball on the opposite side of the racquet hand?(1 point) Responses Ground
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If a player serves two faults in a row, he or she will _____________.(1 point) Responses Lose the serve Lose the serve Lose a
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What is a player assigned when he/she serves a ball outside the service box?(1 point) Responses Point Point Stroke Stroke
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Which of the following is NOT a popular surface for tennis courts?(1 point) Responses Wood Wood Grass Grass Clay Clay Hard Court
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Tennis is probably the most popular sport played with a racquet. Which of the following lesser known sports is played with a
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Find the required linear model using least-squares regression.The table below gives the total sales (in billions of
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Find the required linear model using least-squares regression.The table below gives the total sales (in billions of
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Find an equation of the line described below. Write the equation in slope-intercept form (solved for y), when possible.
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Find an equation of the line described below. Write the equation in slope-intercept form (solved for y), when possible.
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Write the equation of the line in slope-intercept form given the slope and the coordinates of the y-intercept.m=1/6;
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Find an equation of the line with the given slope that passes through the given point. Write the equation in the form Ax+by=C.m=
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Use the slope-intercept form to graph the equation4x+y=-1
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Using the slope formula, find the slope of the line through the given points.(4,3) and (6,1) The slope of the line is___
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Using the slope formula, find the slope of the line through the given points.(2,-4) and (7,-4) The slope of the line is___
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Find the slope of the line through the pair of points.(3-7) and (10,10) m= (Type an integer or a fraction. Simplify your
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Determine whether y varies directly with x. If so, find the constant of variation and write the function rule.x y 60 15 64 16
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Determine whether y varies directly with x. If so, find the constant of variation and write the function rule.x y 60 15 64 16
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Determine whether y varies directly with x. If so, find the constant of variation and write the function rule.x, y 32, 16 34,
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Determine whether y varies directly with x. If so, find the constant of variation and write the function rule.x, y 32, 16 34,
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Determine whether y varies directly with x. If so, find the constant of variation and write the function rule.x, y 32, 16 34,
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For the data in the table, tell whether y varies directly with x. If it does, write an equation for the direct variation.x
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For the data in the table, tell whether y varies directly with x. If it does, write an equation for the direct variation.x
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For the data in the table, tell whether y varies directly with x. If it does, write an equation for the direct variation.x
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How many credits does it take to be classified as an eleventh-grade student?.
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How many credits does it take to be classified as a tenth-grade student?.
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True or false: If you take a course and do not pass it, you still get the credit.(1 point) Responses True True False
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A high school credit is(1 point) Responses when a teacher offers extra points for additional optional work. a unit awarded for
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In which sentence below is the underlined word a predicate nominative?(1 point) Responses Carmen is very interested in science,
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Something that is prevalent happens(1 point) Responses very rarely. occasionally. often.
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Multiple ChoiceWhich of the following would most likely appear in a feature article, but not in a news article, about Hurricane
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What is the main challenge astronomers face when trying to directly detect black holes?(1 point)Responses Black holes trap all
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2. 222 views
Which description best summarizes the steps that take place during black hole formation, in the correct order?(1 point)Responses
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Select the correct answer from the list.(1 point)To form a nebula,_____ pulls matter together or cause _____
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Select the correct answer from the list.(1 point)To form a nebula,_____ pulls matter together or cause
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Select the correct answer from the list.(1 point)Astronomers think that most galaxies are centered by a_____which
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How do emission and reflection nebulae differ?(1 point)Responses the presence of young stars contain remnants of stars
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Which statement best describes the galaxies closest to the Milky Way?(1 point)Responses These galaxies consist of mostly old
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Where could scientists look to observe a black hole?(1 point)Responses the center of the sun the edge of the solar system the
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Which of these characteristics of a star make it most likely to become a black hole? Select the two correct answers.(1 point)Res
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The _________ pass is used when a player wants to make a short, quick, and accurate pass in soccer.
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A goal is scored in soccer when_____.(1 point) Responses the ball hits the outside of the net the ball crosses the goal line the
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Which equation has no solution? Select all that apply.(1 point) Responses −4(x+3)=−12−4x 8k+38=−3(−6−4k)
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Which ordered pairs is a solution of the following equation. Select all that apply.y=9x−2 (1 point) Responses (1,7) (−1,11)
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Solve the equation.3x+1=3(x−1)+4 Infinitely Many No Solution x=1
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Solve for x.4(h−7)−10=18 x =
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Tom and Jerry were at a State Fair. They each got a ticket for the Merry Go Round. Tom got a funnel cake, and Jerry got a
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Solve the following equation.8−5w=7−3w−2w (1 point) Responses Infinitely Many w=1 No Solution
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