( ( ( The ( great number ) ) ( of ( ( hydrogen atoms ) ( in ( ( the ( earth 's ) ) crust ) ) ) ) ) ( ( ( ( ( makes it ) ( ( the ( third ( ( most abundant ) element ) ) ) ( on ( the earth ) ) ) ) , ) ( after ( ( oxygen and ) silicon ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ great) (NN number)) (PP (IN of) (NP (NP (NN hydrogen) (NNS atoms)) (PP (IN in) (NP (NP (DT the) (NN earth) (POS 's)) (NN crust)))))) (VP (VBZ makes) (NP (PRP it)) (NP (NP (DT the) (JJ third) (ADJP (RBS most) (JJ abundant)) (NN element)) (PP (IN on) (NP (DT the) (NN earth)))) (, ,) (PP (IN after) (NP (NN oxygen) (CC and) (NN silicon)))) (. .)))
The great number of hydrogen atoms in the earth's crust makes it the third most abundant element on the earth, after oxygen and silicon.
(ROOT (S (NP (DT The) (NN sun)) (ADVP (RB mostly)) (VP (VBD made) (PRT (RP up)) (PP (IN of) (NP (DT the) (NN element) (NN hydrogen)))) (. .)))