<span>When a chemical equation is balanced, as in, molecules, moles, atoms, volume and mass, it occurred in different quantities. Atoms and mass are conserved in every chemical reaction. An insufficient amount of any of the reactants will limit the amount of product that forms.</span>
An ionic compound is a chemical compound of ions held together by electrostatic forces termed ionic bonding
EXAMPLE -/Sodium chloride ,NaCl with Na+and Ci- ions
Your answer is A. Weathered rocks and decomposed organic remains.