The Pacific tectonic plate and the South American tectonic plate are slowly moving away from each other. Over thousands of years, which of the following natural structures might be formed at this plate boundary? (1 point) Responses A volcano, which is a structure formed due to two tectonic plates colliding and pushing upwards. A volcano, which is a structure formed due to two tectonic plates colliding and pushing upwards. A ridge, which is a structure formed due to magma coming out of the mantle and hardening. A ridge, which is a structure formed due to magma coming out of the mantle and hardening. A mountain, which is a structure formed due to magma coming out of the mantle and hardening. A mountain, which is a structure formed due to magma coming out of the mantle and hardening. A fault, which is a structure formed due to two tectonic plates colliding and pushing upwards.
