$20 QUESTION -- Category: Energetic Terms

What is "R-value?"

  1. A measure of the effectiveness of insulation -- the higher the number, the better the insulating properties.

  2. A measure of how clear a window is -- the higher the number, the better you can see through the glass.

  3. CBS-TV's answer to "The X-Files" - a new series that features three teenaged psychic investigators living at the beach.

Sorry! The correct answer is 1. A measure of the effectiveness of insulation.


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