( ( Describe ( ( the structure ) ( of ( ( a gas ) ( on ( ( the ( molecular level ) ) ( using ( the ( Kinetic-Molecular Theory ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Describe) (NP (NP (DT the) (NN structure)) (PP (IN of) (NP (NP (DT a) (NN gas)) (PP (IN on) (NP (NP (DT the) (JJ molecular) (NN level)) (VP (VBG using) (NP (DT the) (NNP Kinetic-Molecular) (NNP Theory))))))))) (. .)))
Describe the structure of a gas on the molecular level using the Kinetic-Molecular Theory.
(ROOT (S (NP (NP (DT The) (NN behavior)) (PP (IN of) (NP (JJ ideal) (NNS gases)))) (VP (VBZ is) (VP (VBN explained) (PP (IN by) (NP (JJ kinetic) (JJ molecular) (NN theory))))) (. .)))
The behavior of ideal gases is explained by kinetic molecular theory.