( ( Gamma ( ray photons ) ) ( ( have ( ( ( much greater ) ( penetration ranges ) ) ( than ( ( ( do ( ( ( alpha and ) beta ) particles ) ) , ) ( often ( ( amounting ( to ( distances ( of ( ( the order ) ( of ( ( a ( hundred meters ) ) ( in air ) ) ) ) ) ) ) ) ( at ( sea level ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Gamma) (NN ray) (NNS photons)) (VP (VBP have) (NP (NP (ADJP (RB much) (JJR greater)) (NN penetration) (NNS ranges)) (SBAR (IN than) (S (VP (VBP do) (NP (ADJP (NN alpha) (CC and) (NN beta)) (NNS particles)) (, ,) (S (ADVP (RB often)) (VP (VBG amounting) (PP (TO to) (NP (NP (NNS distances)) (PP (IN of) (NP (NP (DT the) (NN order)) (PP (IN of) (NP (NP (DT a) (CD hundred) (NNS meters)) (PP (IN in) (NP (NN air))))))))) (PP (IN at) (NP (NN sea) (NN level)))))))))) (. .)))
Gamma ray photons have much greater penetration ranges than do alpha and beta particles, often amounting to distances of the order of a hundred meters in air at sea level.
(ROOT (S (NP (JJ Meter) (JJ much) (NN distance)) (VP (MD can) (VP (VB beta) (NP (JJ particles) (NN travel)) (PP (IN through) (NP (NN air))))) (. .)))