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Question
When a TV weather forecaster gives a forecast for "widely scattered afternoon thunderstorms," these storms are probably associated with ________.A) an unstable air mass, probably maritime tropical air with thunderstorms driven by thermals in an unstable air mass
B) a cold front generating thunderstorms along it
C) a warm front generating thunderstorms along it
D) the core of a midlatitude cyclone
Answer
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Related questions
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A) coal
B) ice
C) helium gas
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A) reserve
B) ore
C) resource
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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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A) outer electron shell because these electrons can be readily exchanged with adjacent atoms
B) innermost electron shell because the electrons can be transferred to the nucleus
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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
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A) deep-ocean trenches
B) oceanic ridges
C) seamounts
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B) flat areas that include rocks older than 1 billion years old
C) flat river valleys that cut through older mountain ranges
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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) viscosity
B) temperature
C) density
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A) subduction
B) sea floor spreading
C) back-arc contraction
D) continental collision
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A) Lithosphere
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