Woollen clothes keep the body warm, because wool
(a) decreases the temperature
(b) increases the temperature of body
(c) is a bad conductor
(d) all of these
Correct option (c) is a bad conductor
Explanation :
Wool being a bad conductor of heat due to the presence of the air gaps in it and so it does not let our body temperature decrease through conduction. That'* why it keeps our body warm.
