is the type of chemical weathering that occurs when CO2 dissolves into rainwater, forming (weak) carbonic acid, that slowly dissolves rock.

b. atoms in metallic solids are not arranged in a regular pattern

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.

answerleaving cheese out to get moldy;