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To prevent -(1) loss,you would use -(2)material. 1: heat; 2: a conducting 1: heat; 2: an insulating 1: mass; 2: a conducting 1: mass; 2: an insulating

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To prevent -(1) loss,you would use -(2)material. 1: heat; 2: a conducting 1: heat; 2: an insulating 1: mass; 2: a conducting 1: mass; 2: an insulating

To prevent -(1) loss,you would use -(2)material. 1: heat; 2: a conducting 1: heat; 2: an insulating 1: mass; 2: a conducting 1: mass; 2: an insulating

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SophiaVeteran · Tutor for 11 years

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<p> B</p>

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<p>In this question, we want to prevent some form of loss, either heat or mass, by using a suitable material. If we want to prevent heat loss, we would use insulating material since insulators reduce the transfer of heat. On the other hand, conductors do the opposite - they facilitate the exchange of heat. Therefore, for preventing heat loss we do not use a conducting material. So option 3 doesn't meet. Losing mass isn't prevented by using a conducting or insulating material. Hence, this draws us to option 2 where "a conducting" material is replaced with "an insulating" material.</p>
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