( ( The Earth ) ( ( ( ( makes ( ( one ( complete revolution ) ) ( about ( ( its axis ) ( in ( ( an average ) ( of ( 24 hours ) ) ) ) ) ) ) ) , ) ( so ( that ( ( ( any position ) ( on ( the Earth ) ) ) ( ( ( is in ) ( ( direct line ) ( with ( the Sun ) ) ) ) ( every ( 24 hours ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN Earth)) (VP (VBZ makes) (NP (NP (CD one) (JJ complete) (NN revolution)) (PP (IN about) (NP (NP (PRP$ its) (NNS axis)) (PP (IN in) (NP (NP (DT an) (NN average)) (PP (IN of) (NP (CD 24) (NNS hours)))))))) (, ,) (SBAR (RB so) (IN that) (S (NP (NP (DT any) (NN position)) (PP (IN on) (NP (DT the) (NN Earth)))) (VP (VBZ is) (ADVP (RB in)) (NP (NP (JJ direct) (NN line)) (PP (IN with) (NP (DT the) (NNP Sun)))) (NP (DT every) (CD 24) (NNS hours)))))) (. .)))
The Earth makes one complete revolution about its axis in an average of 24 hours, so that any position on the Earth is in direct line with the Sun every 24 hours.
(ROOT (S (NP (PRP It)) (VP (VBZ takes) (NP (NP (CD 24) (NNS hours)) (PP (IN for) (NP (DT the) (NN earth) (S (VP (TO to) (VP (VB make) (NP (NP (DT a) (JJ complete) (NN rotation)) (PP (IN of) (NP (PRP$ its) (NNS axis))))))))))) (. .)))