D. The Grand canyon's layers get older from bottom to top
The deeper you go, the older the layer
C. 250 years (I believe )
The correct answer is B The members of the single house are elected by the people.
A unicameral legislature refers to a government structure in which their is only one house. This explains why letter C. is incorrect.
In America, under the Articles of Confederation, there was a unicameral legislature in which each state had one vote in Congress. Each state had the ability to pick their representative. This power, given to the citizens, allowed for democratic ideals to be implemented into American society.
The framers of the United States Constitution based our federal government on federalism. ... Federalism has evolved over the course of American history. Some important events have shaped the balance between the national and state governments so that federalism best suits the needs of the country at that time.
