chapter 7 Heat Transfer in Nature - Part 5

Why does a thick blanket keep a person warm?

Type: MCQ • Marks: 1
Why does a thick blanket keep a person warm?
Options
A. It makes body temperature zero
B. It produces heat from nothing
C. It conducts heat away
D. It traps air and slows heat loss
Explanation
Trapped air is a poor conductor and reduces convection near the body.
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