There are various kinds of social motivation. One type of social motivation is the need to affiliate or belong to a group. How can evolutionary theory, drive-reduction theory, and arousal theory explain our need for affiliation? (short Writing)

Which of the following activities would conserve the most energy? installing a dimmer switch on a light using a blender instead of a food processor hanging clothes to dry on a clothesline instead of ironing them opening a window instead of turning on the air conditioning setting your computer's screen saver to turn on after less time has elapsed