Question

which of the following is not a type of convergent boundary?
crust - core
oceanic - oceanic
continental - continental
oceanic - continental

Explanation:

Convergent boundaries involve interactions between tectonic plates at the Earth's crust - oceanic - oceanic, continental - continental, and oceanic - continental are such types. Crust - core is not a type of plate boundary.

Answer:

Crust - core