( ( The ( transport agents ) ) ( ( ( wind , ) ( ( ( water and ) ice ) ( generate ( ( distinctive sediments ) ( that ( can ( be ( identified ( by ( ( ( ( the extent ) ( of ( particle abrasion ) ) ) and ) ( ( the degree ) ( of sorting ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN transport) (NNS agents)) (VP (VBP wind) (, ,) (S (NP (NN water) (CC and) (NN ice)) (VP (VB generate) (NP (NP (JJ distinctive) (NNS sediments)) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB be) (VP (VBN identified) (PP (IN by) (NP (NP (NP (DT the) (NN extent)) (PP (IN of) (NP (NN particle) (NN abrasion)))) (CC and) (NP (NP (DT the) (NN degree)) (PP (IN of) (NP (VBG sorting))))))))))))))) (. .)))
The transport agents wind, water and ice generate distinctive sediments that can be identified by the extent of particle abrasion and the degree of sorting.
(ROOT (S (NP (NNS Sediments)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (DT the) (JJ small) (NNS particles)))) (SBAR (IN that) (S (NP (NNS rocks)) (VP (VBP are) (VP (VBN worn) (PRT (RP down)) (PP (TO to)) (PP (IN by) (NP (NN water) (CC and) (NN wind)))))))) (. .)))