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What is the difference in frequency for spectral lines emitted by hydrogen for transitions from the n = 16 level to the n = 2 level and transitions from the n = 15 level to the n = 2 level? (RH = 1.097 × 107 m−1.)
Immune System
The body's defense mechanism against pathogens, including viruses, bacteria, and other agents that can cause disease.
AIDS
Acquired Immune Deficiency Syndrome, a life-threatening condition caused by the human immunodeficiency virus (HIV), which severely damages the immune system.
HIV
Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to Acquired Immunodeficiency Syndrome (AIDS) if not treated.
Paraphilia
Paraphilia refers to intense sexual attraction to atypical objects, situations, or individuals that is beyond the norm of traditional sexual interests.
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