81.Kerosene oil is an example of

82.The chief industry of Afghanistan is

83.The Appalachian coal fields, one of the important coal fields in the world, are located in

84.Red Indians are

85.Although the equatorial regions have the highest annual average temperatures, the salinity in the oceans is highest near the tropics because : 1. Equatorial areas receive heavy rainfall 2. Salinity is not affected by temperature 3. Equatorial oceans experience a lot of turbulences 4. High relative humidity in equatorial areas checks evaporation