Air Mass is a volume of air characterized by temperature and water vapor content and stretched for 100 kilometers.
Classified according to the latitude and the source regions, like cold air mass found in cooler polar regions and warm masses form over the hotter and drier regions of continents and maritime air mass are found at the seas and oceanic masses.
As air mass differs based on there densities they have humid and temperature conditions and can be modified in various ways, an increase or decrease of temperature is also affected by the large scale environmental conditions.
C) Cultural expressions and experiences may grow more similar across the globe. Cultural diffusion is the spread of traditions and cultural beliefs from one group to another.
Answers: South-East part of Pokhara is opened and it has git the mountain in the southern part. That is why Pokhara receives the highest amount of rainfall in Nepal.