Answer:
100 J of energy are needed to heat the copper from 20∘C to 80∘C .
D. microwaves, Ultraviolet, x-rays
The correct answer for the question that is being presented above is this one: Right now, I haven't seen the poster but there are things that i have in mind. It can be "The Game of Acids and Bases," or you can another one like, "Unity Amidst Diversity."
