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udontknow

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The hydrogen-to-helium ratio is an important piece of evidence for the big bang. What is the minimum hydrogen-to-helium ratio observed? 1:1 2:1 3:1 4:1
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Which of the following indicates that the universe is expanding? The spectra of Cepheid variables, which are found in all galaxies, are blue shifted. The spectra of Cepheid variables, which are found only in our galaxy,...
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Which of the following indicates that the universe is expanding? The spectra of Cepheid variables, which are found in all galaxies, are blue shifted. The spectra of Cepheid variables, which are found only in our galaxy,...
1 answer
1. When Gatsby briefly meets Daisy’s little girl, he is somewhat unnerved. Symbolically, what does the little girl represent? 2. Why is it so important to Gatsby that Daisy say she never loved Tom? Why is it hard for Dai...
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From which of the following do spiral galaxies form? rapidly cooling protogalactic clouds colliding/merging protogalactic clouds rapidly spinning protogalactic clouds high-density protogalactic clouds
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In which part of the galaxy is the sun located? bulge halo spiral arm center
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Which type of galaxy is the Milky Way? spiral irregular satellite elliptical
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Two angles whose sum is 180 degrees are ____ angles. Group of answer choices adjacent complementary congruent supplementary
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When an equation of a circle is in standard form, the center of the circle is given by... Group of answer choices (A,B) (h,k) (x,y) The center is not given in standard form
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The region of a circle with boundaries that are two radii and the corresponding arc is a(n)... Group of answer choices sector pi circumference arc length
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If two figures have the same shape, but not the same size, the figures are... Group of answer choices similar congruent rotated really, really cool
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The measure of a central angle of a circle that intercepts an arc equal in length to the radius of the circle is a(n)... Group of answer choices arc measure radian center degree
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A transformation that slides a figure in a straight path is a... Group of answer choices dilation translation reflection rotation
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Which transformation is non-rigid? Group of answer choices dilation translation reflection rotation
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A line that intersects a circle in exactly one point is a... Group of answer choices tangent radius secant sector
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A line that intersects a circle in two points is a... Group of answer choices sector radius secant tangent
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An arc that is smaller than a semicircle is a... Group of answer choices inscribed angle major arc circumference minor arc
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A line segment that connects any two points on a circle is a... Group of answer choices chord arc diameter radius
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A connected section of the circumference of a circle is a(n)... Group of answer choices angle arc chord radius
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Which technology is useful for locating schools of commercial fish? computer modeling sonar and satellite imagery magnetic resonance imaging water sampling
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What is one of the most common resources extracted from the ocean? oil gold coal manganese
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Resources from the ocean are found in many regions, but the majority of all resources are located in which region? pelagic zone continental shelf deep ocean abyssal plain
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In which environment would you most likely find animals with chemosynthetic bacteria embedded in their tissues? sublittoral zone hydrothermal vent community rocky intertidal abyssal plain
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Which adaptation is best suited for life in the pelagic zone? hard shell tubelike body shape gas-filled bag or swim bladder numerous legs Which habitat has a water level that changes with the tide? salt marsh sublittoral...
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The pelagic zone is best defined by which option? the intertidal zone only Light penetrates the ocean only to which depth? 20 m 200 m 500 m 2,000 m Warm waters rich in marine life would be classified as which zone? bathy...
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