A) a barter system that does not rely on money or other currency.
Answer:
A. A number equal to the state's number.
Explanation:
Answer:
Language is the appropriate base for communication which is used to understand other's expression and makes others understand.Without communication,socialization is not possible and culture can't be transferred to new generation.
<span>A specific time during development when a particular event has its greatest consequences and the presence of certain kinds of environmental stimuli is necessary for development to proceed normally is called disi</span>