• # question_answer Consider the following statements                   ' 1. L.D. Stamp used $18{}^\circ C$ isotherm of mean monthly temperature for January to divide India into temperate and tropical zones. 2. The $18{}^\circ C$ isotherm of mean temperature for January runs in north-south along the $82{}^\circ E$ longitude and divides India into two equal parts.                                   Which of the above statements is/are correct?   A)  1 only  B)  2 only          C)  Both 1 and 2     D)  neither 1 nor 2

[a] The $18{}^\circ C$ isotherm of mean temperature for January runs in the east-west direction more or less along the Tropic of Cancer.