It traps a layer of air, so the air is an insulator, so is the glass.
For houses, insulation is needed to keep the house warm in winter.
Well you have different ways but one of the most important ones are to keep your windows shut. You can also keep you A/C at a regular temperature.
The pueblos lived in homes made out of mud and adobe next to rivers.
Heat is used to cook our food, to warm our houses, and to keep us alive in the freezing winters.
yes they are warm they have a flap inside
Because most of them moved seasonly. Also, they needed to move for the weather. One to keep warm in the winter and two to keep cool in the summer.
whales keep warm by their blubber! good question
The fur on their bodies keep them warm.
They don't need to keep warm, they have a double coat so they stay warm.
If you are speaking of Israel in Biblical days there would only be a short season that would be cold as Israel is usually a warm climate. Many houses had indoor cooking spaces and these could be used to warm the house in cold weather as the houses were quite small.
By fire.
They urinate on their feet to keep warm.