About one hundred thousand years ago, very fluid lava started erupting slowly and gently from a place near a plate boundary. What best describes the slope of the mountain that resulted from such a phenomenon?
A. 75 degrees, to 80 degrees, as these are formed by a composite volcano
B. 5 degrees, to 10 degrees, as these are formed by a composite volcano
C. 5 degrees, to 10 degrees, as these are formed by a shield volcano
D. 75 degrees, to 80 degrees, as these are formed by a shield volcano