Which sentence functions most effectively as an analytical topic sentence for a paragraph on volcanic hazards?
Answer and explanation
Correct answer: C. Pyroclastic density currents represent the most lethal hazard of explosive eruptions
- Step 1: A strong topic sentence presents a specific technical subject and an analytical claim. Step 2. Option 1 defines the subject ('pyroclastic currents') and the focused claim ('most lethal hazard'). Answer: Pyroclastic density currents represent the most lethal hazard of explosive eruptions. Why not the others: Other options are conversational or vague.
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