Answer:TRUE DRY ICE WILLL ALWAYS BE COLDER
Explanation:
Possessive pronoun or possessive adjective
B.) phone call
because when you call the angry customer you can talk to them and work it out. If you do the others it will be complicated and calling is more easier. In my opinion I will call.
It would be was and was because he is singular. I'm not sure about complete or completes, but I think it would be complete.
