Propose an explanation for the wide diversity of minerals. Consider factors such as the elements that make up minerals and the Earth processes that form minerals.

Answer two atoms of oxygen;

The internal energy of the system we can term it as total potential energy and kinetic energy. energy flows out of the surrounding from the system then we can say that the internal energy of the final state is lower than its initials. the sign of  δesystem is negative.δesystem = efinal - einitial=-ve  efinal  ∠einitial.