David walks the streets of a large city at night trying to find men who will pay him for oral sex. David would be classified as a

Mingyu is describing the emotional advantages of being old. Based on the text, she can mention all of the following pluses EXCEPT:

A) being calmer and better able to focus on positive events. B) having fewer daily life hassles. C) feeling less isolated from people. D) being treated more kindly by others.

About an hour or so after the sperm enters the ovum, the two gametes suddenly fuse, becoming one cell called a

a) chromosome. b) ovum. c) zygote. d) genes.