In this question there is 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 : All living things affect the living and non-living things around them. S6 : This interdependability needs to be understood when we, humans consume much more than required and abuse nature. P : This can also affect the population of fox, if foxes depend on rabbits for food. Q : For example, earthworms make burrows and worm casts. R : This act of earthworms affects the soil, and therefore the plants growing in it. S : The energy supplied by heat overcomes the forces of attraction between the particles.