A topic sentence is provided for this inquiry. Pick the one that strengthens or supports it the most.
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To stop heat transfer, a fireplace should be coated with specific fire bricks.
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A
Modern houses don’t use as much lumber as older homes did.
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B
Good up-drafts can make a pleasant fire, however.
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C
Fire codes also require a smoke alarm in every room.
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D
Normal bricks are not dense enough to withstand excessive heat.