Jane starts driving her car down the road at 30 miles per hour. At the same time, the local train starts going down the tracks. The train is going 35 miles per hour, a little bit faster than Jane's car.

After two hours, which will cover the greater distance, the train or the car?

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.