What are the typical differences with regard to the temperature and humidity between an air mass with its origin in the Azores and an air mass with its origin over northern Russia ?4
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In which of the following regions does polar maritime air originate?4
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Which type of air mass never occurs over central Europe ?4
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The air mass affecting position "A" is most likely to be4
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The air mass affecting position "C" is most likely to be:4
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The air mass affecting position "S" is most likely to be4
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The air mass affecting position "P" is most likely to be4
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An unstable air mass will normally be characterised by4
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Which of the following conditions are you most likely to encounter when approaching an active warm front at medium to low level ?4
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During a cross-country flight at FL 50, you observe the following sequence of clouds: Nimbostratus, Altostratus, Cirrostratus, Cirrus.Which of the following are you most likely to encounter ?4
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