Climatology - Air Masses, Fronts, Cyclones and Related Phenomena

1.
What is a large body of air whose physical properties especially temperature and moisture content are relatively uniform horizontally?
2.
Which among the following statements is/are correct about Air mass?
  1. Air mass is a large body of air whose physical properties especially temperature and moisture content are relatively uniform vertically.
  2. The temperature, pressure and humidity are uniform and the whole area of air or the mass of air behaves like a single unit.
Select the correct code from the options given below:
3.
Which among the following statements is/are correct about Air masses?
  1. They develop over a heterogeneous area, when air remains for a sufficiently long time.
  2. The regions over which air masses form are called source regions
Select the correct code from the options given below:
4.
What is the boundary zone when two different type of air masses meet called?
5.
What is the front along which warm and light air becomes active and aggressive and rises slowly over cold and dense air?

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