An increase in the movement of magma below the crust can cause tectonic plates to move at a faster rate. What effect would this movement have on the formation of new rock?

What conclusion can be drawn about the location of the city of syracuse? it was built on the coastline due to easy access to the red sea. it was built on the coastline due to easy access to the mediterranean sea. it was built inland to protect it from invaders sailing in from the mediterranean sea. it was built inland to protect it from invaders sailing in from the red sea.