Also if you put pine needles all over your friend, in a few minutes, your friend would probably feel warm. Straw is another insulator. It can be used to cover plants to keep them from freezing. Snow insulates the ground. Some people make their house in a hill because dirt helps insulate.
Wood chips are good for covering and insulating plants.
Pine needles also insulate. Well you need to know that there are many insulators in this world. When you're in bed at night, you probably don't even think about whether your bedspread or blanket is an insulator. They are all insulators. Wisconsin, USA We use insulators to keep us warm.