Dear Martin,
Yes, of course that's something for me to think about; the fact that Earth is a combination of the others and so mixes traits of the other elements together. So, these traits which mix to form a new element (Earth) can be separated again when analyzing an Earth trait to see which of the other three elements are present in it. Is that correct? Or does Earth form totally different characteristics which just happen to be made from the same 'ingredients' but have metamorphosed into something totally different and unrecognizable.
Does this help or hinder?
Amberlyn