I believe the answer is Language.
As Children grow up, their brain will develop the cognitive ability to differentiate the difference between sound that does not have context/Messages and the sound that does have.
The sound that have to context is what we considered as Language, which is very important in communication process between individuals
I believe the answer is: Stable characteristics
Stable characteristics is formed by the combination of various characteristics that would determine the overall behavior of a person.
These combinations are formed over a long period of time, but could be changed if the person are willing to make the effort for it.
Answer: Non-material culture
Explanation: non material culture exclude any physical objects or artifacts. Thoughts or ideas that make up a culture are called the non-material culture. Furthermore, non-material culture simply means the nonphysical ideas that people have about their culture, including beliefs, values, rules, norms, morals, language, organizations, and institutions.
Many Americans pay for haircuts, trips to the dentist, or transportation on the metro and bus systems. These actions support the notion of capitalism, but it is an example of non material culture.