Is the principle "separation of powers" evident in the u. s. constitution?
yes, it is shown because the first three articles describe the three branches of government.
no, it is missing because government power is concentrated in one branch of government.
yes, it is reflected because the amendments list the powers given to the individual people.
no, it is absent because the president determines the power and authority of the people.

Option A. The principle "separation of powers" is evident in the U.S Constitution, as the first three articles describe the three branches of government.

Explanation:

The term "separation of powers" is a political mode that divides the government in 3 main branches, each of which has separated and independent powers. The Constitution of the United States divide the federal government of the nation using this mode, as it is stated in the first 3 articles of the document.

Article 1 establishes the legislative branch which constitutes the Congress. Article 2 establishes the Executive branch which consists on the President. Finally, Article 3 establishes the Judicial Branch which consists on the Supreme Court of the nation.