Answer:
<em>The features form when magma cools beneath earths surface are Volcanic necks and Dome mountains</em>
Explanation:
Volcanic Mountains are formed when molten rock (magma) deep within the earth, erupts, and after cooling it piles upon the surface. Similarly a volcanic plug, is a volcanic object created when magma hardens within a vent on an active volcano. These two features that are formed when magma cools beneath earths surface.
Sry if wrong
Fault lines i believe is the answer dont know if that will help you any now but its worth a shot
I think the answer is flood areas
It would be an estuary. I attached a picture of one if you'd like to see what it looks like :)
