11. What occurs in a plate boundary when an oceanic ridge is formed?
a. The plates collide.
b. The plates separate.
C. The plates converge.
d. The plates slide against each other.
12. What geologic feature is formed when the edge of a plate is crumpled by the pressure exerted on it by an adjacent
plate?
a. oceanic ridge
b. rift valley
c. mountain range
d. trench​