While taking his clothes out of the dryer, Charles finds a sock clinging to his sweater.

What is the best explanation for this common phenomenon?
A. In the dryer, both the sock and the sweater lost electrons.
B. In the dryer, both the sock and the sweater gained electrons.
C. In the dryer, either the sock or the sweater gained electrons while the other item lost electrons.
D. The cause of static cling is an unsolved scientific mystery.

C. In the dryer, either the sock or the sweater gained electrons while the other item lost electrons.

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a. energy is absorbed in the reaction.

if in a given reaction the energy of products is greater than the energy of reactants it means that reaction is endothermic and during the reaction, the energy is absorbed by reactants. in an endothermic reaction, the products have more stored chemical energy than the reactants. and in this reaction the reactants are more stable than products before the compounds with less energy are always more stable.