Answer:
Organic molecules produced from spontaneous synthesis or from meteorites
Explanation:
<span>Russell's case (two illnesses: bipolar disorder and substance use disorder) illustrates </span>comorbidity. The term comorbity is used in medicine to denote a presence of two diseases or disorders, one primary and one additional, both occurring at the same person.
Biological or "Darwinian" fitness is being able to live long enough to reproduce and keep the population or species alive.
The vertebral column usually consists of 33 vertebrae<span>: 24 presacral vertebrae (7 cervical, 12 thoracic, and 5 lumbar) followed by the sacrum (5 fused sacral vertebrae) and the coccyx (4 frequently fused coccygeal vertebrae).
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