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Question
What does Einstein's formula e = mc2 have to do with the Sun?A) It determines the energy released as the solar mass is converted to energy as matter is intensely compressed in its interior.
B) It determines the energy released when 4 protons are fused to make a helium atom in the interior of the Sun.
C) It relates to how much energy is carried away from the Sun when mass is ejected from the Sun at the speed c.
D) The formula has nothing to do with the Sun
Answer
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Related questions
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C) helium gas
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A) reserve
B) ore
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A) luster
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What does the tendency of micas to produce thin cleavage flakes suggest about its crystal structure?
A) The crystal structure is characterized by complex polymerized mats that form a sheetlike structure.
B) The structure is characterized by rings that form an interlocking network, forming planar sheets.
C) The structure is produced by flow in the igneous rock, aligning glass layers within the crystal structure.
D) The atoms are arranged in orderly arrangements that form strongly bonded sheets separated by weak bonds between the sheets.
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Use the Periodic table below to answer the following questions: When electrons are shared amongst all atoms, the resulting bond is a(n) ________ bond.
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B) ionic
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Use the Periodic table below to answer the following questions: Element 20, Ca, has what chemical property?
A) It behaves as a metal ion, giving up two electrons to form a +2 ion.
B) It tends to form covalent bonds and an ion with a charge of +1.
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D) It tends to be inert, and thus is dispersed throughout the crust.
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D) Any electron can exchange with adjacent atoms to form a bond; there is no preference.
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B) heat from Earth's interior
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B) positive feedback mechanisms
C) closed feedback mechanisms
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A) deep-ocean trenches
B) oceanic ridges
C) seamounts
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A) along coastlines
B) near desert regions
C) in the interior of continents
D) in areas that receive large amounts of rainfall
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A major cause of the differences in elevation between ocean basins and continents is ________.
A) viscosity
B) temperature
C) density
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The Andes Mountains in South America are formed by ________.
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B) sea floor spreading
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B) Asthenosphere
C) Lower mantle
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A) hot spots on the sea floor, like Iceland
B) spreading ridges
C) convergent plate margins
D) transform plate margins