I Think.
Neutron(s).
I Think.
<span>Ores are naturally occurring rocks that contain metal or metal compounds in sufficient amounts to make it worthwhile extracting them. For example, iron ore is used to make iron and steel.</span>
The answer is most likely C
C & B are switched so I'm not sure if that was a typo or not, but the answer is concentration!
Answer:
They are similarly charged, which is why they repel each other.
