Directions: In the following questions, the 1st and the last sentences/parts of the passage/sentence are numbered 1 and 6. The rest of the passage/sentence is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the passage/sentence and find out which of the four combinations is correct. Then find the correct answer. [SSC CHSL 2013]
1. Fires in the Steppes or bushes scared humans earlier.
P. Gradually, they learnt to appreciate the power of fire.
Q. It gave them light and warmth and kept away wild animals.
R. About 700,000 years ago, humans started fir e accidentally by lightning.
S. They could harden the tips of wooden spears and cook meat in it.
6. Soon they learnt to produce fire by striking flintstone and pyrite with each other or by rubbing lumbers.