2049. Because snow (being a very bad conductor of heat) protects vegetables and seeds from the frost and cold.
2050. How does the non-conducting power of snow protect vegetables from the frost and cold?
2051. It prevents the heat of the earth from being drawn off by the cold air which rests upon it.
2052. Why are woolens and furs used for clothing in cold weather?
2053. Because they are very bad conductors of heat, and therefore prevent the warmth of the body from being drawn off by the cold air.
2054. Do not woolens and furs actually impart heat to the body?