A substance heats and cools quickly. What do you know about this substance ?

Explanation:

Heat capacity is related to a substance's ability to retain heat and the rate at which it will heat up or cool. For example, a substance with a low heat capacity, such as iron, will heat and cool quickly, while a substance with a high heat capacity, such as water, heats and cools slowly.

A substance that heats and cools quickly has a low specific heat capacity

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.