Figure 23.1 -Assuming That the Rate of Seafloor Spreading Was Constant During

Multiple Choice

Figure 23.1
-Assuming that the rate of seafloor spreading was constant during the 1-million-year period depicted in Figure 23.1,what should be the approximate age of marine fossils found in undisturbed sedimentary rock immediately overlying the igneous rock at the arrow labeled II?

A) 10,000 years
B) 250,000 years
C) 500,000 years
D) 1,000,000 years