How is strong pressure gradient represented on a weather map?

Who among the following proposed in 1951 that mansoon is only the seasonal migration of planetary winds and pressure belts?

In Koppen's Climatic classification of India the central Ganges valley is represented by :

High temperature and low pressure over the Indian Subcontinent during the summer season draws air from the Indian Ocean leading to the in-blowing of the:

Rains caused by thunderstorms during the hot weather season (mid-March to mid-June) in Karnataka are called

The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is/are the reason/ reasons? (1) Thermal difference between land and water. (2) Variation i…