( This ( ( ( enhances ( ( our understanding ) ( of ( the fact ) ) ) ) ( that ( ( diffusion ( of gases ) ) ( ( occurs ( from ( ( an area ) ( of ( high concentration ) ) ) ) ) ( to ( ( an area ) ( with ( low concentration ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBZ enhances) (NP (NP (PRP$ our) (NN understanding)) (PP (IN of) (NP (DT the) (NN fact)))) (SBAR (IN that) (S (NP (NP (NN diffusion)) (PP (IN of) (NP (NNS gases)))) (VP (VBZ occurs) (PP (IN from) (NP (NP (DT an) (NN area)) (PP (IN of) (NP (JJ high) (NN concentration))))) (PP (TO to) (NP (NP (DT an) (NN area)) (PP (IN with) (NP (JJ low) (NN concentration))))))))) (. .)))
This enhances our understanding of the fact that diffusion of gases occurs from an area of high concentration to an area with low concentration.
(ROOT (S (NP (NNP Diffusion)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (DT the) (NN movement)) (PP (IN of) (NP (NP (NNS molecules)) (PP (IN from) (NP (NP (DT an) (NN area)) (PP (IN of) (NP (NP (JJ high) (NN concentration)) (PP (TO to) (NP (NP (DT an) (NN area)) (PP (IN of) (NP (JJ low) (NN concentration))))))))))))))) (. .)))