C.they explain its structure and powers usually in written form
Explanation:
A Constitution is a coded text of a juridical-political nature, the result of a constituent power, which has the purpose of constituting the separation of powers, defining and creating the constituted powers (legislative, executive and judicial), which before the constitution were united or intermingled, it defines its respective checks and balances, it is also the fundamental law of a State, with superior rank to the rest of legal norms, basing (according to normativism) all the juridical order, it includes the regime of the rights and liberties of citizens and defines the powers and institutions of political organization.
A Bachelor of Arts typically leads to lifetime earnings four times greater than that of a high school graduate. I believe a Bachelor of Science is more, then a Masters and finally a Professional degree.