When Compared to California,seismic Energy in the Eastern U

When compared to California,seismic energy in the eastern U.S.is ______________.

A) transmitted more effectively in the older,more solid rocks
B) transmitted less effectively in the older,more solid rocks
C) transmitted more effectively in the younger,more solid rocks
D) transmitted less effectively in the younger,more solid rocks
E) transmitted less effectively because the earthquakes are smaller