What is the term for the average age of death for members of a population?

What is acquired immunodeficiency syndrome (AIDS)? Do the typical sources of infection vary for different groups? In what part of the world is HIV infection increasing at the highest rate?

What will be an ideal response?

Which of the following statements illustrates the emotional indifference component of disengagement?

a. "We're so different—it's like we've become strangers" b. "I feel nothing for her anymore" c. "I know he wants to talk, but I'm too busy" d. "She can go to the party by herself—I'm not interested"