In what ways might the Ring of Fire have
changed in shape and size throughout time?

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never