( N ( ( is ( superabundant ( in ( ( ( the ( Earth 's ) ) atmosphere ) ( in ( ( the form ) ( of ( N ( 2 gas ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP N)) (VP (VBZ is) (ADJP (JJ superabundant) (PP (IN in) (NP (NP (NP (DT the) (NN Earth) (POS 's)) (NN atmosphere)) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (NNP N) (CD 2) (NN gas))))))))) (. .)))
N is superabundant in the Earth's atmosphere in the form of N 2 gas.
(ROOT (S (NP (JJ Volcanic) (NNS gases)) (VP (VBP helpe) (S (VP (TO to) (VP (VB form) (NP (DT the) (NN atmosphere)) (PP (IN on) (NP (NN earth))))))) (. .)))