Directions: In question given below, each passage consists of six sentences. The first & six sentences are given in the beginning The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R & S. Find out the proper order for the four sentences.
S1 : Paleobotany is the study of fossil plants preserved in rocks dating back it millions of years. S6 : The fossil plants indicates the age of the rock, and also point to facts regarding climate, Temperature and topography. P : Records of the history of the world are contained in fossils. Q : Through the ages, plants have evolved from simple to more complex forms. R : First there were water plants; then land plants appeared during the Paleozoic era. S : But since the fossil remains appear locked in rock layers, they are closely related to the Geologists area of investigation. The proper sequence should be: