Subduction zones occur at the boundaries between

a - nations

b - oceans

c - plains and forested lands

d - tectonic plates

subduction zones occur at the boundaries between

d - tectonic plates

D - tectonic plates

Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced to sink due to high gravitational potential energy into the mantle. Regions where this process occurs are known as subduction zones