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Question 1
1) Fog is a cloud with its base at or very near to the ground.
2) In mist each nuclei contains a thinner layer of moisture.
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Question 2
1. When the moisture is deposited in the form of water droplets on cooler surfaces of solid objects it is known as dew.
2. Frost forms on cold surfaces when condensation takes place below freezing point.
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Question 3
1) The greater the movement of air, the greater is the evaporation.
2) Condensation takes place when the temperature is close to the dew point.
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Question 4
1) Tropical cyclones are violent storms that originate over oceans in tropical areas.
2) It is known as Hurricanes in Western Australia.
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Question 5
1) The systems developing in the mid and high latitude, beyond the tropics are called the middle latitude or extra tropical cyclones.
2) Extra tropical cyclones form along the polar front.
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Question 6
1) In mountain during the day the air moves upslope and to fill the resulting gap the air from the valley blows up the valley. This wind is known as the valley breeze.
2) The cool air, of the high plateaus and ice fields draining into the valley is called katabatic wind.
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Question 7
1) During the night the land heats up faster and becomes warmer than the sea.
2) During the day the land loses heat faster and becomes cooler than the sea.
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Question 8
1) The pattern of wind circulation is modified in different seasons due to the shifting of regions of maximum heating, pressure and wind belts.
2) Differences in the heating and cooling of earth surfaces create several common, local or regional winds.
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Question 9
1) The air at the ITCZ rises because of convection caused by high insolation.
2) Hadley Cell, Ferrel cell and polar cell set the pattern for the general circulation of the atmosphere.
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Question 10
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