Alice notices that her e-mail has been hacked, and she is worried that someone may have access to her passwords for several social networking sites. What should Alice do to help prevent this from happening again?

She should have different passwords for each of her social networking sites.

answer; /// i believe its (643,000) every year;

lifetime activities are certain actions that are either required throughout your life or you choose to do them. for example, eating is considered a lifetime activity, drinking water or other beverages, keeping your body clean, taking medicine. those types of actions are considered lifetime activities.