A rotating column of air is called a vortex
Answer:
Schema
Explanation:
A Grading Schema is a mapping of percentage ranges to a specific grade display. When a Grading Schema is employed (depending on the grade), the Grade Center will translate the percentage score and display the corresponding value based on the schema.
Because civilization requires rules, basically. Rules are made by an entity higher than ourself, so first there were cities, and then those cities unite together in a state. The state is the entity who has the authority to set rules in order to mantain order and peace in the territories under its authority. So, civilization equate state control because without state control we don't have a civilization.