In this section each item consists of six sentences of a passage. The first and sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly. S1: There exists a close relation ship between meteorology and climatology. S6: In other words, it is concerned with the immediate and current state of the atmosphere and its associated phenomena. P: In other words, it is concerned with the physics of the lower atmosphere. Q: They include temperature, pressure, wind and moisture. R: Climatology, on the other hand, is concerned with the observation and analysis of the elements of weather and their variations and changes from time to time and place to place. S: Meteorology, however, is the study of the atmospheric composition and physical characteristics of the atmosphere.