Answer: Oxidizing Agent
Explanation: When Cr is reduced (gains electrons), it is oxidizing the other element (removing its electrons) so it is the oxidizing agent.
Answer: I think this one is the boiling water
sorry if wrong
Explanation:
Volume well in the picture the fish tank seems to be a rectangle, so you would do V=length x width x height. So V=5x3x3=45
It is the smallest unit it is what makes up everything
joke-Don't trust Atoms they make up everything