( ( ( ( ( ( ( ( ( ( ( ( ( The weather ) , ) ( mass movement ) ) , ) rivers ) , ) ( the wind ) ) , ) ( the sea ) ) , ) and ) ice ) ( ( ( have all ) ( contributed ( to ( ( the ( present form ) ) ( of ( ( the ( earth 's ) ) surface ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN weather)) (, ,) (NP (JJ mass) (NN movement)) (, ,) (NP (NNS rivers)) (, ,) (NP (DT the) (NN wind)) (, ,) (NP (DT the) (NN sea)) (, ,) (CC and) (NP (NN ice))) (VP (VBP have) (RB all) (VP (VBN contributed) (PP (TO to) (NP (NP (DT the) (JJ present) (NN form)) (PP (IN of) (NP (NP (DT the) (NN earth) (POS 's)) (NN surface))))))) (. .)))
The weather, mass movement, rivers, the wind, the sea, and ice have all contributed to the present form of the earth's surface.
(ROOT (S (NP (NP (DT The) (NN movement)) (PP (IN of) (NP (NP (DT an) (NN air) (NN mass)) (PP (IN over) (NP (NP (NN earth) (POS 's)) (NN surface)))))) (VP (VBZ causes) (NP (JJ local) (NN weather) (NNS changes))) (. .)))