S1: A force of exists between everybody in the universe. P: Normally it is very small but when the one of the bodies is a planet, like earth, the force is considerable. Q: It has been investigated by many scientists including Galileo and Newton. R: Everything on or near the surface of the earth is attracted by the mass of earth. S: This gravitational force depends on the mass of the bodies involved. S6: The greater the mass, the greater is the earth’s force of attraction on it. We can call this force of attraction gravity. The Proper sequence should be:

1. A Option A: PRQS
2. B Option B: PRSQ
3. C Option C: QSRP
4. D Option D: QSPR

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