Question: H laboratory sample Hg laboratory sample He laboratory sample Li laboratory sample Na laboratory sample star #1 X laboratory sample O ADLC 47. Laboratory specimen

H laboratory sample Hg laboratory sample He laboratory sample Li laboratory sample Na laboratory sample star #1 X laboratory sample O ADLC 47. Laboratory specimen X contains elements A. H and He only B. Li only C. H, He, and Li only D. H and Li only 48. The spectrum from star number one indicates that A. it is moving toward us B. it is moving away from us C. it's not moving relative to us

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