41. Which of the following are true regarding ionosphere?
I. It is the uppermost layer of atmosphere
II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized
III. This layer is responsible for reflecting back the radio wave transmitted from the earth
I. It is the uppermost layer of atmosphere
II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized
III. This layer is responsible for reflecting back the radio wave transmitted from the earth
42. Arrange the following gases of the atmosphere in increasing order by volume:
I. Nitrogen
II. Oxygen
III. Carbon dioxide
IV. Argon
I. Nitrogen
II. Oxygen
III. Carbon dioxide
IV. Argon
43. Wind in the Southern hemisphere is deflected towards left due to ________
44. Local thunderstorms 'Nor westers' are prominent in ________
45. Which of the following winds is incorrectly paired with the area in which it prevails?
46. Relative humidity
47. The form of precipitation in which the raindrops get frozen into ice on coming in contact with a cold layer of air near the earth's surface is called ________
48. The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is ________
49. In the Southern hemisphere the Westerlies blow from ________
50. Choose the incorrect statement ________
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