( ( ( ( ( ( The reduction ) ( of ( carbon dioxide ) ) ) , ) ( a ( low-energy compound ) ) ) , ) ( ( creates ( ( a store ) ( of ( chemical energy ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT The) (NN reduction)) (PP (IN of) (NP (NN carbon) (NN dioxide)))) (, ,) (NP (DT a) (JJ low-energy) (NN compound)) (, ,)) (VP (VBZ creates) (NP (NP (DT a) (NN store)) (PP (IN of) (NP (NN chemical) (NN energy))))) (. .)))
The reduction of carbon dioxide, a low-energy compound, creates a store of chemical energy.
(ROOT (S (NP (NNP Carbon) (NN dioxide)) (ADVP (RB chemically)) (VP (VBP weather) (NP (NNS rocks)) (PP (IN by) (S (VP (VBG creating) (NP (NNS acids)))))) (. .)))