Composition shingles made of asphalt and glass fiber are the most popular steep-slope roofing material, comprising approximately 60% of the residential market and typically lasting between ____ years.

A. 15 and 20
B. 20 and 30
C. 30 and 40
D. 40 and 50


Answer: B

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Fill in the blank(s) with the appropriate word(s).

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