( ( ( The source ) ( of ( almost ( all ( fresh water ) ) ) ) ) ( ( is ( ( ( precipitation ( from ( the atmosphere ) ) ) , ) ( in ( ( the form ) ( of ( mist ( , ( ( rain and ) snow ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN source)) (PP (IN of) (NP (RB almost) (DT all) (JJ fresh) (NN water)))) (VP (VBZ is) (VP (VBN precipitation) (PP (IN from) (NP (DT the) (NN atmosphere))) (, ,) (PP (IN in) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (NN mist) (, ,) (NN rain) (CC and) (NN snow))))))) (. .)))
The source of almost all fresh water is precipitation from the atmosphere, in the form of mist, rain and snow.
(ROOT (S (NP (DT The) (NN atmosphere)) (VP (VBZ is) (NP (NP (DT the) (NN source)) (PP (IN of) (NP (NN precipitation))))) (. .)))