Encoding specificity refers to Endel Tulvingâs notion that in order to successfully retrieve something from memory there must be a match between how information is originally encoded and how it is available when being retrieved from memory.
Shingle Roofing. Shingle Roofs last between 10 â 30 years in Phoenix depending on the quality of the material on your roof. Regular 3 tab shingles last between 10 â 15 years in Phoenix. Architectural or dimensional shingles are a lot thicker and can last from 15 â 30 years.
The right answer is B. 20 years. A roof should last 20 years for asphalt shingles. If you have cracked, curled or missing shingles and you're losing mineral granules (look in your gutters), then it's time to replace them.