Concept:This is a sentence rearrangement question. The correct order must create a logical flow from the initial statement to the final conclusion.Explanation:Start with part P: It explains how bees transfer pollen, which directly follows the opening line about pollination.Next is Q: It describes the result of pollen transfer — fruit and seed growth.Then R: This shows the importance of bees for crops, leading into the problem.Finally S: It introduces the global decline in bee populations, setting up the conclusion about protecting bees.Thus the correct sequence is P → Q → R → S.Answer:Option C: PQRS