Social psychologists believe that is particularly strong during the early stages of a relationship, and that increases as the relationship grows and matures.

Social psychologists believe that  romantic love is particularly strong during the early stages of a relationship, and that  affectionate love  increases as the relationship grows and matures.

Explanation:

Social Psychology -: Social psychology is the empirical research in the field of psychology of how the perceptions, emotions , and actions of individuals are influenced by the real, perceived, and inferred involvement of others. Science uses the scientific method in this description to refer to analytical study, while the terms emotions, feelings , and behaviors refer to the psychological factors that can be measured in human beings.

As a consequence of the relationship between mental state and social circumstance, social psychologists usually explain human behavior, studying the factors / conditions under which those attitudes, acts, and feelings occur. Therefore, social psychology is concerned with the cognitive construction of these emotions, ideas , values, intentions, and objectives, and how these mental representations in turn impact our relationships with others.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.