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Q: Woolen clothes keep the body warm in winter because-
  • A. Wool is a bad conductor of heat
  • B. Wool is a good conductor of heat
  • C. Wool increases body temperature
  • D. Wool decreases body temperature
Correct Answer: Option A - Woolen clothes keep the body warm for the following reasons- 1. It is a bad conductor of heat, so prevents body heat from going out. 2. Wool is filled with air in its narrow holes. Which is bad conductor of heat, due to which there is no loss of body heat.
A. Woolen clothes keep the body warm for the following reasons- 1. It is a bad conductor of heat, so prevents body heat from going out. 2. Wool is filled with air in its narrow holes. Which is bad conductor of heat, due to which there is no loss of body heat.

Explanations:

Woolen clothes keep the body warm for the following reasons- 1. It is a bad conductor of heat, so prevents body heat from going out. 2. Wool is filled with air in its narrow holes. Which is bad conductor of heat, due to which there is no loss of body heat.