Which segments indicate an absorption of energy and a phase change taking place? 1) AB and BC
2) AB and CD
3) BC and CD
4) CD and DE

This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?

Why are people not able to scuba dive in the deep part of the ocean

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need