What aspect of love fades fairly quickly in most relationships as partners become used to each other and the stresses and conflicts of daily life accumulate?

With the end of the Cold War, ______ has become the dominant form of war

a. social class conflict b. economic aggression c. interethnic conflict d. religious conflict

Apparent motion can be influenced by an observer's point of fixation with objects at great distances,

such as the sun and moon, always appearing to a. move backward away from the direction you are traveling. b. move forward in the same direction you are traveling. c. remain stationary. d. disappear entirely.