A continental-continental plate collision causes what to form? 1. Oceanic-Oceanic Subduction. 2. Hot spots to form. 3. Mountain ranges to form. 4. Oceanic-Continental subduction
3. Mountain ranges to form.
If there are two plates that are colliding, they push up and form a mountain range. Imagine two plates of playdough that are pushed against each other on a table, the playdough will accumulate and form a large ridge.