E-PolyLearning

36. The infrared radiation by sun are strongly absorbed by
a. carbon dioxide
b. water vapours
c. carbon dioxide and water vapours
d. ozone
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Answer: (a).carbon dioxide

37. The latitude of a place expresses its angular position relative to the plane of
a. axis of earth
b. north pole
c. south pole
d. equator
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Answer: (d).equator

38. The landforms that are influences by several process namely, weathering, erosion, deposition are known as
a. polygenetic landforms
b. structural landforms
c. polycyclic landforms
d. None of the above
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Answer: (a).polygenetic landforms

39. The initial increase of magnetic field in magnetic storms is caused
a. when the shock wave, associated with the gusty solar wind, compresses the magnetosphere
b. when there is a large decrease in field intensity
c. when the gust wind itself engulfs the magnetosphere
d. None of the above
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Answer: (a).when the shock wave, associated with the gusty solar wind, compresses the magnetosphere

40. The island state of Australia is
a. Victoria
b. Queensland
c. Tasmania
d. New South Wales
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Answer: (c).Tasmania