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| 1. | Where do you find the ideal originating area of the air – masses? | 
| Answer» The following six ideal generating regions of air – masses are found on the earth: 1. Polar ocean area (the northern region of the Atlantic and Pacific Ocean) – In these areas, the air – masses are produced during the winter. 2. Sub – Polar continental zone (glaciated part of Eurasia and North America and Arctic region) – In these areas, the air – masses arise during the winter period. 3. Monsoon Area (South – East Asia) – This includes India, Bangladesh, Indonesia, Indo – China region. 4. Tropical ocean area (anticyclone area – winter and summer). 5. Tropical continental region (Mississippi Valley Area of North America, Asia and North Africa). 6. Equatorial linear areas – Air – masses originate in these areas due to convectional conditions. | |