Well there are infact 2 walls. There is the atrial septum which separates right and left atriums. And there is the ventricular septum which separates the right and left ventricles.
I'm not quite sure if if it's asking you for two or one answer, but maybe writing both shall help.
Answer:
mineral resources like the Zinc, copper, gold and silver.
Explanation:
- The hydrothermal process usually includes the movement s of the subsurface hot waters and the upwelling of the magma from the earth mantel. This process leads to the formation of deposits such as those of the iron, zinc and gold and silver.
Causes air pollution is the answer hope it helped
