Q. Consider the following statements regarding Air Mass
Which of the statements given above is/are incorrect?
A
1 only
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B
2 only
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C
Both 1 and 2
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D
Neither 1 nor 2
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Solution
The correct option is D
Neither 1 nor 2 Explanation :
Statement 1 is correct: When the air remains over a homogenous area for a sufficiently long time, it acquires the characteristics of the area. The homogenous regions can be the vast ocean surface or vast plains. Air mass is defined as a large body of air having little horizontal variation in temperature and humidity. The homogeneous surfaces, over which air masses from are called the source regions.
Statement 2 is correct: When two different air masses meet, the boundary zone between them is called a front. The process of formation of the fronts is known as frontogenesis. There are four types of fronts: (a) Cold; (b) Warm; (c) Stationary; (d) Occluded. Extra tropical cyclones form along the polar front.