Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The water content of inorganic soil is determined by heating the soil in an oven at a temperature of 105° to 110°C Reason R: The free water absorbed water and structural water are all completely removed from the soil by heating it at 105° to 110°C In the light of the above statements, choose the most appropriate answer from the options given below: