An inspector observes that roof rafters are pulling away from the ridge board at their connection points. The MOST likely cause is:
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A
The ridge board is installed at too steep an angle
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B
Outward thrust from inadequate rafter ties combined with heavy roofing material
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C
The rafters are made from green (unseasoned) lumber that has dried and shrunk
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D
Termite damage has weakened the rafter tails