The summits of a volcano is 10 kilometers (km) above the ocean
floor, as shown below.
If the ocean floor has an elevation of -5 kilometers, which statement
describes the elevation of sea level and the summit?
A. The elevation of sea level is 0 km and the elevation of the
summit is 5 km.
B. The elevation of sea level is 5 km and the elevation of the
summit is 5 km.
C. The elevation of sea level is 0 km and the elevation of the
summit is 10 km.
D. The elevation of sea level is 5 km and the elevation of the
summit is 10 km.