Which two elements are abundant in the fresh crust that comes from a spreading center?

A spreading centre, which occurs mainly in the oceans, happens when the magma coming from the crust reaches the water at the ocean floor, cooling and becoming new crust. Generally, the two most abundant elements in the fresh crust of a spreading centre are iron and manganese.

Some type of thing that was invisible

The answer is b.the gaseous state is electrically positive, while the plasma state is electrically negative.