( ( Also ( of ( ( great importance ) ( to ( our atmosphere ) ) ) ) ) ( is ( ( ( ( water vapor ) ( -LRB- ( ( ( 1 % ) ( -4 % ) ) -RRB- ) ) ) , ) ( ( ( carbon dioxide ) -LRB- ) ( much ( less ( than 1 ) ) ) ) ) ) )
(ROOT (SINV (PP (ADVP (RB Also)) (IN of) (NP (NP (JJ great) (NN importance)) (PP (TO to) (NP (PRP$ our) (NN atmosphere))))) (VP (VBZ is)) (NP (NP (NN water) (NN vapor)) (PRN (-LRB- -LRB-) (NP (NP (CD 1) (NN %)) (NP (CD -4) (NN %))) (-RRB- -RRB-)) (, ,) (NP (NP (NN carbon) (NN dioxide)) (-LRB- -LRB-) (NP (NP (RB much)) (NP (QP (JJR less) (IN than) (CD 1))))))))
Also of great importance to our atmosphere is water vapor (1%-4%), carbon dioxide (much less than 1
(ROOT (S (PP (IN During) (NP (DT the) (JJ early) (NN paleozoic))) (, ,) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NP (NN carbon) (NN dioxide)) (PP (IN in) (NP (DT the) (NN atmosphere)))))) (VP (VBD was) (ADJP (RB much) (JJR greater)) (PP (VBN compared) (PP (TO to) (NP (NN today))))) (. .)))