Use the diagram below. On the Atlantic Ocean floor, there is a long ridge of underwater mountains caused by volcanic eruptions. New volcanoes keep erupting. Why is this happening?

Jj of og oh pu og oh oh oh oh oh yo oh oh oh yo oh oh oh

They are all full and don't need any more electrons in there outer shell.

Aphysical change is one that you can put in and remove like a ham sandwich. the stuff you put in there can be changem its not permanet. a chemical change is on that can't be change thats permanet. like when you make a cake and bake it. you can't get those ingredients back.