" Two houses are identical in every respect except that one is well insulated and the other is poorly insulated. You get on the roof of two houses during the summer right at daybreak. Both houses have had their air conditioners on all night. One roof feels cold to the touch and the other roof feels like ambient temperature. Which house is better insulated? "

"a. the one that feels like ambient temperature b. the one that feels cold c. the coolness of the roof is not indicative of the insulation level of the houses. d. the one where the aduanero lives."
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