1 : There is a continuous demand P : are formed to train humanity Q : for destructive purposes, and world organisations R : in the art of settling their disputes S : to ban the application of science 6 : by peaceful negotiations. The Proper sequence should be:

The correct answer is: C. RPQS

Here is a brief explanation of each option:

• Option A: PRSQ
  This option is incorrect because it does not make sense to say that there is a continuous demand to ban the application of science. Science is a tool that can be used for good or evil, and it is up to humanity to decide how to use it.
• Option B: QSRP
  This option is incorrect because it does not make sense to say that world organizations are formed to train humanity in the art of settling their disputes. World organizations are formed to promote peace and cooperation between nations.
• Option C: RPQS
  This option is the correct answer because it makes sense to say that there is a continuous demand to ban the application of science for destructive purposes, and that world organizations are formed to train humanity in the art of settling their disputes by peaceful negotiations.
• Option D: SQPR
  This option is incorrect because it does not make sense to say that world organizations are formed to ban the application of science, and that there is a continuous demand to train humanity in the art of settling their disputes by peaceful negotiations.