Chaz is almost 60 years old and has noticed that his testes are shrinking and less firm, he also takes much longer to get an erection than he used to. his doctor believes that he is experiencing:

The answer to this question is that Chaz as per his doctor is experiencing menopause.

Male Menopause occurs when there is a loss of sexual potency and the testosterone production is dropping. Male menopause is also called as testosterone deficiency. Men that are suffering from fatigue, depression, feeling of weakness, and having sexual problems are the common symptoms of male menopause. 

b. a single paragraph.

a paragraph is a series of sentences that are organized and make sense, and are all related to a single topic . almost every piece of writing you do that is longer than a few sentences should be organized into paragraphs. this is because paragraphs show a reader where the subdivisions of an essay begin and end, and thus the reader see the organization of the essay into subjects in order to be able to understand its main points.

i believe it’s b because the rest don’t make sense