According to my research on studies conducted by various biologists, I can say that based on the information provided within the question the entire group of American college students is an example of a population. This term refers to all of the individuals of the same group, that live in a particular geographical area.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
Mental health includes our emotional, psychological, and social well-being. It affects how we think, feel, and act. It also helps determine how we handle stress, relate to others, and make choices