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9 votes
Which of the following is used as a thermal insulator?

A. A hot plate to keep the mug warm

B. A ceramic mug filled with coffee

C.a lid to cover the coffee mug

D. A metal spoon to stir the coffee

1 Answer

2 votes
B !! Reasoning on why: a thermal insulator is basically somthing helping to keep heat in.
User Rashad Valliyengal
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