Concept:The sentence defines what "environmental impact assessment" (EIA) is. The correct order follows a logical subject-verb-object pattern.Explanation:Part Q gives the subject: "environmental impact assessment".Part R introduces the verb and main description: "is a planning tool to integrate environmental".Part S completes the object: "concerns into the developmental".Part P adds the final prepositional phrase: "process from the initial stage of planning".Thus the full sentence is: "Environmental impact assessment is a planning tool to integrate environmental concerns into the developmental process from the initial stage of planning."Answer:QRSP (Option B)