A 10-year-old boy cries easily, and his friends often say, "Stop acting like a girl! Boys don't cry!" The boy still feels like crying, but he learns to stop the feeling before it leads to tears that his friends would see. This is an example of

Gender socialization

Explanation:

Based on the information provided within the question it can be said that this scenario is a perfect example of the concept known as Gender socialization. This refers to the process where individuals are taught by everyone around them, how to behave in a social environment based on their assigned gender.   Which is what is happening in this situation by the boys friends telling him to "Stop acting like a girl!

absolute poverty the condition of having too little income to buy the necessities-- food, shelter, clothing, health care.

achieved status a social position (status) obtained through an individual's own talents and efforts.

affirmative action the requirement that employers make special efforts to recruits hire and promote qualified members of previously excluded groups including women and minorities.

aggregate a collection of unrelated people who do not know one another but who may occupy a common space--for example, a crowd of people crossing a city street.

agrarian societies societies in which large scale cultivation using plows and draft animals is the primary means of subsistence.

alienation the separation or estrangement of individuals from themselves and from others.

amalgamation the biological as well as cultural assimilation (merging) of racial or ethnic groups.

anomalies in science observations or problems that cannot be explained or solved in terms of a prevailing paradigm.

anomie a breakdown or confusion in the norms, values, and culture of a group or a society. a condition of relative normlessness.

anomie theory the theory suggesting that deviance and crime occur when there is an acute gap between cultural norms and goals and the socially structured opportunities for individuals to achieve those goals.

anticipatory socialization the process of taking on the attitudes values and behaviors of a status or role one expects to occupy in the future.

apartheid the recent policy of racial separation in south africa enforced by leg

explanation:

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.