Question

Why is a well-insulated building comfortable in both cold and hot weather?

The insulation keeps the cold in during the summer and the cold out in the winter.

The insulation becomes a good conductor in the cold weather.

The insulation becomes a good conductor in the hot weather.

The insulation keeps the heat in during the winter and the heat out in the summer.

Answer 1

This should be the answer but I may be wrong.

D. The insulation keeps the heat in during the winter and the heat out in the summer.

Answer 2

The insulation keeps the heat in during the winter and the heat out in the summer.