<span>Under a unitary type of government, there is one central government. This type of government provides citizens with the right to vote on issues within their state and within the country. Local citizens can also become involved in local politics and hold offices in city, county and even state positions.</span>
The river had been called <span>"river of sorrows" due to its constant flooding during its earlier civilizations. </span>
i think the best answer for this question is C)
A. A was deposited most recently in the diagram above, as it is located in the top, showing that is the newest layer to be added.