S1: Palaeobotany is the study of fossil plants preserved in rocks dating back in millions of years. 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 geologist area of investigation. S6: The fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography. The Proper sequence should be: A. RQSP B. SQRP C. PSQR D. QRPS

The correct answer is: C. PSQR

The following is a brief explanation of each option:

• A. RQSP
  This option is incorrect because it does not follow the logical order of events. The first event is that palaeobotany is the study of fossil plants. The second event is that records of the history of the world are contained in fossils. The third event is that through the ages, plants have evolved from simple to more complex forms. The fourth event is that first there were water plants then land plants appeared during the Paleozoic era. The fifth event is that since the fossil remains appear locked in rock layers, they are closely related to the geologist area of investigation. The sixth event is that the fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography.

• B. SQRP
  This option is incorrect because it does not follow the logical order of events. The first event is that palaeobotany is the study of fossil plants. The second event is that records of the history of the world are contained in fossils. The third event is that through the ages, plants have evolved from simple to more complex forms. The fourth event is that first there were water plants then land plants appeared during the Paleozoic era. The fifth event is that since the fossil remains appear locked in rock layers, they are closely related to the geologist area of investigation. The sixth event is that the fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography.

• C. PSQR
  This option is correct because it follows the logical order of events. The first event is that palaeobotany is the study of fossil plants. The second event is that records of the history of the world are contained in fossils. The third event is that through the ages, plants have

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  evolved from simple to more complex forms. The fourth event is that first there were water plants then land plants appeared during the Paleozoic era. The fifth event is that since the fossil remains appear locked in rock layers, they are closely related to the geologist area of investigation. The sixth event is that the fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography.

• D. QRPS
  This option is incorrect

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  because it does not follow the logical order of events. The first event is that palaeobotany is the study of fossil plants. The second event is that records of the history of the world are contained in fossils. The third event is that through the ages, plants have evolved from simple to more complex forms. The fourth event is that first there were water plants then land plants appeared during the Paleozoic era. The fifth event is that since the fossil remains appear locked in rock layers, they are closely related to the geologist area of investigation. The sixth event is that the fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography.