Achemist wants to combine carbon and iron to form steel. what type of bond will this chemist create between these two elements

I think its a covalent bond because carbon is positively charged and iron is positively charged too which makes the bond covalent. hope it helps 

That result from subduction of oceanic plates beneath lighter continental plates. most of the earth's volcanoes are located around the pacific ring of fire because that the location of most of the earth's subduction zones.

Ithink it is quantity of plants