When hiking up most Stratovolcanoes which rock compositions

When hiking up most Stratovolcanoes, which rock composition(s) will you see from its base to its summit? a. Mafic at the bottom, intermediate in the middle, and felsic at the top b. Felsic at the bottom, intermediate in the middle, and mafic at the top c. Intermediate from bottom to top d. Felsic from bottom to top

Solution

option (a) is correct

A . Mafic at the bottom ,

intermediate in the middle ,

and felsic at the top .