Answer:
480 million years ago
The Appalachians first formed roughly 480 million years ago during the Ordovician Period, and once reached elevations similar to those of the Alps and the Rocky Mountains before they were eroded.
Explanation:
so b is your answer
Legislative, Executive, Judicial
Answer:
D.
Explanation:
In the given case, the credibility of this source can not be considered to be accurate. Though Alexia Dengbai has presented facts and information about the World War I, but it can not be considered to be accurate, the reason being author's credibility.
In the given case, the credibility of author comes in question. Alexia Dengbai is a high school student and not an excerpt in the field. Therefore, her opinions presented in the article can not be considered credible.
Therefore, the correct answer is option D.
Answer: The members of this branch are the President, Vice President, and the Cabinet.
Explanation:
