An example of a plate boundary is pictured below. Select the statements that are TRUE.

a. Convection currents within the mantle are moving the plates.
b. This type of boundary can form an oceanic trench.
c. Rift valleys are common at this type of boundary.
d. This is a divergent boundary.

The statements that are TRUE are:

b. This type of boundary can form an oceanic trench.
c. Rift valleys are common at this type of boundary.
d. This is a divergent boundary.