INDIAN GEOGRAPHY

Detailed explanation-1: -Isotherms are the lines that connect places on a map that have the same temperature. The isotherm lines are almost parallel to the latitudes. It means that the temperature along the latitudes is almost the same.

Detailed explanation-2: -Option d: A line on a map joining places of equal values is called an isoline. Isolines are used to represent elevation on a map by connecting points of equal elevation.

Detailed explanation-3: -Isotherms: are imaginary lines drawn on maps joining the places of the same temperature across the map, reduced to sea level. The Greek word isos means ‘’equal to” or ‘’the same as”. The Greek word therme means ‘’heat”. It is also in the word ‘’thermometer”, which is a device used to measure temperature.