The letter that represents a solid-liquid equilibrium is BC
The black swirly one, on the bottom right, is black hole. The one with rays coming out of it, the one next to the black hole, is super nova. Thats all I know im srry...
Answer:
galaxy
Explanation:
as i contains the stars.planet,moon
Chlorine (Cl) lost electrons to form Cl2, it was oxidized and made the reducing agent.
so the correct answer should be chlorine.
hope this helps :)