Spontaneous reaction is a reaction which occurs naturally that is it has capability of proceeding in a given direction without the use of outside source of energy, while non spontaneous reaction is a reaction which require outside source of energy.drag of the appropriate item to their respective bins is a non spontaneous reaction since outside of energy is required to drag the item.
Carbon Dioxide is formed when two oxygen atoms chemically combine with a carbon atom. The term that will best describe carbon dioxide is a compound. That will make the correct answer D.
