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Question
If you live in the Midwestern United States or Canada and you experience several days of winter temperatures below -20C with clear weather, you are undoubtedly experiencing ________.A) a Continental Polar air mass
B) a Maritime Polar air mass
C) a Continental Tropical air mass
D) a cyclonic storm
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
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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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A) covalent
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) soil, plants, rock, soil organisms, and animals
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B) heat from Earth's interior
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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) viscosity
B) temperature
C) density
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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