<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.
An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
D, because the air s moving as in longitudinal waves which means <span>a wave vibrating in the direction of propagation, and probation means that the making of more and replacing</span>
Answer:
Ovule becomes seed after fertilization and ovary becomes the fruit
