I'm not sure if a figure or some choices go along with this, but the closer to the sea floor the diver is, the lower the potential energy
Now I can actually edit my answer directly: I'm fairly sure I've got this wrong, and my mind has gone blank for how to do it, if someone could delete this that would be great and I'll think about it and see if I can figure it out!
In an open system such as a campfire, matter can lose particles, gain particles or exchange particles.
Comparative investigation is a research method that makes comparison across different countries of the world. Limitation : data set in different countries may be defined differently. Benefit : the method is flexible.
