The boy is exposed to the floor at a pressure of 15 kPa. How do you understand this saying

i'm pretty sure its b i might be wrong though!

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.

b) nuclear ive learned that in a pedtrodic table