All of the following are contributions of the Space Center for Florida except which one? usa test prep question

a. a primary source combines several different accounts of an event. b. a primary source generally benefits from having been written after an event.

explanation:

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.