In exothermic reactions, the products have higher energy than the reactants, and in endothermic reactions, the reactants have higher energy than the products.
Rust is brittle, oxidized iron (oxygen reacted with the iron in the metal to produce rust). Meanwhile, iron is a metal and oxygen is a gas under room temperature conditions.
Answer:
What Does Ethical Issues Mean? Ethical issues occur when a given decision, scenario or activity creates a conflict with a society's moral principles. ... These conflicts are sometimes legally dangerous, since some of the alternatives to solve the issue might breach a particular law.
Ever since the discovery of the Neanderthal fossils, expert opinion has been divided as to whether Neanderthals should be considered a separate species (Homo neanderthalensis) or a subspecies (Homo sapiens neanderthalensis) relative to modern humans.
I hope this is what you were looking for.