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Write note on:Horizontal distribution of air press...
1.
Write note on:Horizontal distribution of air pressure.
Answer»
The heat received from the sun is uneven in different regions.
The distribution of temperature is uneven from the equator to the poles.
This difference can lead to difference in air pressure.
There are four air pressure belts formed on the earth surface.
Equatorial low-pressure belt between 5°N and 5°S parallels as the temperature is high here.
Mid latitudinal high-pressure belt between 25° and 35° parallels due to descending heavier air.
Subpolar low-pressure belt formed between 55° and 65° parallels due to friction and rotation.
Polar high-pressure belt formed between 80° and 90° parallels due to low temperatures.
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What effect does temperature have on air pressure?
Match the following:A (Pressure Belt)B (Parallels)(1) Sub Polar low pressure(2) Mid latitudinal high pressure(3) Polar high pressure(4) Equatorial low pressure(a) 25° to 35°(b) 5°N and 5°S(c) 55° to 65°(d) 80° to 90°
Give reason:High pressure belt is formed near the polar region.
Why is the subpolar low pressure belt formed?
Write note on:Horizontal distribution of air pressure.
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Observe the diagram Fig. (a) and (b) carefully and answer the following questions:i. Which pressure belt is mainly found in the Tropics?ii. With which pressure belt are the polar winds associated? In which temperature zone are they observed?iii. What could be the reason behind a low pressure belt in the Tropics?iv. With which pressure belts are the winds in the Temperate zone associated?v. Write the latitudinal extent of the low pressure belts.
Did the flying lantern start ascending immediately after the candle was lit?
Give reason:Air pressure is maximum at sea level.
How does a high-pressure belt get formed near 30° parallel? Why does this region have hot deserts?
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