( ( The ( controlled atmosphere ) ) ( ( ( ( will ( allow ( ( precise manipulation ) ( of ( ( ( ( ( ( ( temperature ( -LRB- ( ( 0.5 C ) -RRB- ) ) ) , ) humidity ) ( -LRB- ( ( ( 5 % ) RH ) -RRB- ) ) ) , ) ( ( atmospheric CO2 ) ( -LRB- ( ( 10 ppm ) -RRB- ) ) ) ) , ) ) ) ) ) and ) ( ( will additionally ) ( ( allow ( simulation ( of ( ( ( acid precipitation ) , ) ( ( a source ) ( of ( major concern ) ) ) ) ) ) ) ( in ( this region ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ controlled) (NN atmosphere)) (VP (VP (MD will) (VP (VB allow) (NP (NP (JJ precise) (NN manipulation)) (PP (IN of) (NP (NP (NP (NN temperature)) (PRN (-LRB- -LRB-) (NP (QP (CD 0.5) (CD C))) (-RRB- -RRB-)) (, ,) (NP (NN humidity))) (PRN (-LRB- -LRB-) (NP (NP (CD 5) (NN %)) (NP (NNP RH))) (-RRB- -RRB-)) (, ,) (NP (NP (JJ atmospheric) (NN CO2)) (PRN (-LRB- -LRB-) (NP (QP (CD 10) (CD ppm))) (-RRB- -RRB-))) (, ,)))))) (CC and) (VP (MD will) (ADVP (RB additionally)) (VP (VB allow) (NP (NP (NN simulation)) (PP (IN of) (NP (NP (JJ acid) (NN precipitation)) (, ,) (NP (NP (DT a) (NN source)) (PP (IN of) (NP (JJ major) (NN concern))))))) (PP (IN in) (NP (DT this) (NN region)))))) (. .)))
The controlled atmosphere will allow precise manipulation of temperature ( 0.5 C), humidity ( 5% RH), atmospheric CO2 ( 10 ppm), and will additionally allow simulation of acid precipitation, a source of major concern in this region.
(ROOT (S (NP (DT The) (NN atmosphere)) (VP (VBZ is) (NP (NP (DT the) (NN source)) (PP (IN of) (NP (NN precipitation))))) (. .)))