Geology Questions?

[Geoaddict94]

I am not confident with my answers. :-(
A deep oceanic trench is found
A. at mid-ocean ridges
B. at subduction zones
C. at transform boundaries
D. all of the above

Which best defines the lithosphere? A?
A. the rigid, rocky, outermost layer of earth
B. a rocky layer within the mantle
C. a rocky layer in the mantle capable of flowing
D. the outer, liquid portion of the earth's core

Volcanic activity is associated with A or C
A. all convergent boundaries
B. all transform boundaries
C. divergent boundaries
D. all types of plate boundaries

Which of the following is at a convergent boundary where 2 plates carrying continental lithosphere are colliding?
A. the Appalachain mountains
B. the Himalaya mountains
C. the Andes mountains
D. the Rocky mountains

The islands of Japan lie at a
A. convergent boundary where oceanic lithosphere is being subducted
B. convergent boundary where there is no subduction
C. divergent boundary
D. transform boundary