2Fe2O3, reason is when we add 4Fe + 3O2, we get the same answer, but in a different form.
Boiling water is a physical change, because it is changing state of matter, there is a controllable temperature change, and you can change it back.
Frying the egg white is a chemical change, because there is a change of matter, controllable temperature change, but you CAN'T change it back.
Hello
The word is "pollution"
Hope this helps and have a great day!
Your answer should be:
<span>Extrusive igneous rock</span>