Question

what do scientists call the boundary between two tectonic plates? vaults crusts faults mantles

Explanation:

Tectonic plate boundaries are often associated with faults where plates interact, move, and can cause earthquakes. Vaults are not related to plate boundaries. The crust is the outer - layer of the Earth that makes up the tectonic plates, not the boundary. The mantle is the layer beneath the crust, not the boundary.

Answer:

C. Faults