The bottom of geothermal sources is abundant in black-colored ores (sulfites) of iron, copper, zinc, nickel and other metals called "black smokers". Iron ores are rocks from which metallic iron can be obtained. Metals, originally disseminated on magma-laden or rocky paths, are concentrated in fluids and can be redeposited if they encounter favorable temperatures and pressure conditions, forming mineral veins.
Answer:
On the one hand”/“on the other hand”
C might be the answer right
The answer is Literacy increased among ordinary people.
I searched that just to make sure that I was right.
Explanation:
Elizabeth never married and had no children
