The undersea mountain chain where magma rises from and where new ocean floor is produced is called?

mid-ocean ridges

Explanation:

Seafloor spreading occurs along mid-ocean ridges—large mountain ranges rising from the ocean floor.

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.