Isobars and isotherms are both lines on weather maps that represent patterns of pressure and temperature. They show how temperature and pressure are changing over space. They describe the large-scale weather patterns across a region in the map.
The slope of the line is m = -1
I think the correct answer would be A. A normal cultural characteristic of rural areas would be having strong family values. Rural areas are areas where there are few homes and infrastructures and the distance for each buildings are more or less far from each other. This would mean that families tend to be more close to each since they are able to communicate to each other frequently.
Kolkata (formerly Calcutta) is the capital of India's West Bengal state. So it is located in India.
Hope I can help you :)
