( ( The frequency ) ( ( range ( of ( ( electromagnetic radiation ) ( that ( includes ( ( ( ( ( radio waves ) , ) light ) and ) X-rays ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN frequency)) (VP (VBP range) (PP (IN of) (NP (NP (JJ electromagnetic) (NN radiation)) (SBAR (WHNP (WDT that)) (S (VP (VBZ includes) (NP (NP (NN radio) (NNS waves)) (, ,) (NP (NN light)) (CC and) (NP (NNS X-rays))))))))) (. .)))
The frequency range of electromagnetic radiation that includes radio waves, light and X-rays.
(ROOT (S (NP (NNP Am) (NN radio) (NNS waves)) (VP (VBP exist) (PRT (RP in)) (NP (DT the) (ADJP (QP (CD 540) (TO to) (CD 1600))) (NN khz) (NN frequency) (NN range))) (. .)))