( ( ( The speed ) ( of ( ( ( Earth 's ) rotation ) ( on ( its axis ) ) ) ) ) ( , ( ( ( completing ( one turn ) ) ( every ( 24 hours ) ) ) ( , ( ( means ( that ( ( the sun ) ( ( warms ( the planet ) ) evenly ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NP (DT The) (NN speed)) (PP (IN of) (NP (NP (NP (NNP Earth) (POS 's)) (NN rotation)) (PP (IN on) (NP (PRP$ its) (NNS axis)))))) (, ,) (S (VP (VBG completing) (NP (CD one) (NN turn)) (NP (DT every) (CD 24) (NNS hours)))) (, ,) (VP (VBZ means) (SBAR (IN that) (S (NP (DT the) (NN sun)) (VP (VBZ warms) (NP (DT the) (NN planet)) (ADVP (RB evenly)))))) (. .)))
The speed of Earth's rotation on its axis, completing one turn every 24 hours, means that the sun warms the planet evenly.
(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))))))))))) (. .)))